Camplux Water Heater Troubleshooting [9 Easy Solutions]

The most common Camplux water heater problems are either your heater won’t turn on or it will keep shutting off. Plus, the heater not igniting, producing yellow flame, leaking from the bottom, or blinking error codes may frequently bother you.

However, whatever the issues you are facing with your Camplux water heater, you can instantly fix them just by going through our comprehensive Camplux water heater troubleshooting guide. So, let’s start…

Camplux Water Heater Troubleshooting [9 Easy Solutions]

Your Camplux water heater not working mainly for the following major factors. In this section, we will explain all the possible reasons behind each problem and their practical solutions.

Note: You can also read how to fix Rheem tankless water heater no hot water problems.

1. Camplux Water Heater Won’t Turn On

Suddenly your Camplux water heater may stop turning on or won’t start, which is another problem that you may face. The heater will not make any audible clicks during startup when it fails to turn on. Your Tankless water heater stops working due to the reversed incoming and outgoing water. The other causes behind it are:

  • Damaged and incorrectly installed batteries in the wrong position
  • Inadequate water pressure
  • Dirty water inlet pipe
  • Dirt or debris builds up on the water inlet filter screen
  • Gas and air contamination in the fuel tank


Check your Camplux heater’s incoming water and make sure it is on your heater’s right side. The incoming water should be on the far right side of your heater, while the outgoing water should be on the left of your heater. 

check the water outlet, gas inlet, water inlet are going in the right direction

The other solutions are:

  • Replace the damaged batteries and install the new batteries in the correct position
  • Ensure your heater is getting adequate water pressure. The minimum sufficient water pressure is the 2.5 PSI
  • Properly clean the water inlet pipe’s dirt build-up and the filthy filter screen
  • Using the shower head switch perform the on and off cycle in your heater. It will help to purge the air from the gas.

2. Camplux Water Heater Keeps Shutting Off

Whenever you turn on your water heater to get hot water, your heater’s bad components trigger the unit to shut down. Thus another problem that the users often face is that this Camplux water heater won’t stay lit and keeps turning off. The following factors mainly cause this hitch: 

  • Bent, damaged, faulty or dirty thermocouple
  • Heating coil issue
  • Defective thermostat
  • Mineral deposits in the tank’s bottom
  • Dirty pilot light
  • Improperly installed vents and blocked air supply
  • Empty fuel tank
  • Improper gas supply or low gas pressure
  • Gas sensor wire’s loose connection or disconnection
  • Improperly installed batteries
  • Air and gas contamination in the gas cylinder due to zero or low gas
  • Bent or too close ignition system to the burner
  • Too high or too low thermopile size fails to complete the circuit
  • Faulty gas sensor


When your Camplux water heater keeps turning off, you should turn off your heater’s water supply for 1 second. And then turn on the water supply again. If still, your heater won’t stay lit, you should follow the solutions below:

  • Check and replace the bent, damaged, or bad thermocouple, lousy heating coil, a faulty thermostat, malfunctioning gas sensor, and faulty ignition system.
  • Clean the tank’s sediment and mineral deposit build-up
  • Properly install the vents, clean the ducts and ensure proper air supply to your heater.
  • Refill the empty gas tank and ensure adequate gas pressure and proper gas supply
  • If the 12/18/120 volt pump you are using for your heater, the approximate sustained water pressure should be 35-65 PSI. Thus check your heater’s volt pump and ensure enough water pressure.
  • Using the shower head switch perform the on and off cycle to purge the air from the gas.
  • Tighten the gas sensor wire’s connection
  • Make sure your heater’s thermopile is a perfect size (It’s not too high or low)
  • For ignition spark, install new or fresh batteries in your heater. Also, ensure the battery’s proper polarity (+/-).

3. Camplux Water Heater Won’t Ignite

Your Camplux water heater not lighting or won’t ignite is a major problem that you may encounter. If your water heater fails to ignite and you don’t hear any clicking sound from it, it will not produce hot water. The considering factors behind this trouble are:  

  • The water inlet, outlet, and gas inlet are connected with the wrong pipes
check the water outlet, gas inlet, water inlet are going in the right direction
  • Stuck gas solenoid
  • Too low water pressure or the water pressure is below 2.5 PSI 
  • Clogged water inlet and filter
  • Gas knob and water knob’s incorrect setting
  • Clogged shower head or shower hose
  • Closed or defective gas valve
  • Faulty water sensor
  • The battery’s polarity (+/-) is incorrectly positioned
  • Loose or lousy wiring fuse
loose or lousy wiring fuse
  • Heater’s burnt-out electrical components
  • Improperly connected ignition pins and flame sensor


If your Camplux water heater not lighting, first you should check the electricity supply and the gas and water connection. Confirm the gas and water connection is perfect, and the electrical connection is also on. The other ways to fix the above troubles are:

  • Check and connect the water inlet, outlet, and gas inlet with the correct pipes
  • Replace the faulty gas valve, lousy wiring connection, and heater’s damaged electrical components
  • Properly clean the water inlet and filter blockage and remove the shower hose and head clog
  • Disconnect your heater’s shower head and hose and allow water to gush out from your heater
  • Set the water knob to the maximum setting and the gas knob to the minimum setting
water and gas knob
  • Ensure that the heat sensor and the ignition pins are vertically installed at the box’s back at the 90-degree angels
  • Tighten your heater’s wiring connection
  • Ensure your heater’s batteries polarity is positioned correctly

4. Camplux Heater Water Issues

Your Camplux water heater’s main job is to produce enough hot water. But your malfunctioning heater can produce no hot water, not enough hot water, or too hot water. Below we will explain the causes and solutions to your heater’s water-related troubles.

i) The Water Is Not Hot Enough

If your Camplux hot water heater fails to produce enough hot water or the water fails to get hot enough, be sure that your heater becomes faulty. The responsible factors for it are:

  • Using your hot water heater above the elevations of 6,000 feet
  • Faulty gas regulator
  • Too low-temperature settings
  • Closed or partially opened gas valve


Try to fix all these above hitches by following the resolving ways below:

  • Use your hot water heater below the 6,000 feet elevations
  • Replace the faulty gas regulator
  • Check and increase the temperature setting
  • Verify the gas valve and open it fully

ii) Too Hot Water

Another fact is that your Camplux heater may suddenly start producing too much hot water. Using extremely hot water is not possible. Thus, it’s also a major problem. The causes leading to this trouble are:

  • Setting the too-high temperature
  • The heater is heating partially a tiny amount of water
  • Clogged water filter
  • Closed or partially opened water shut-off valve


The quick ways to fix all these above troubles are:

  • Check and reduce your heater’s temperature setting
  • Fully open the shut-off valve
  • Ensure the flow of more water
  • Using a toothbrush clean the water filter dirt and debris build-up

iii) No Hot Water

Suddenly you may get no hot water from your water heater, or the heater may produce only cold water for the following reasons:

  • Partially opened or the closed water shut-off valve
  • Closed hot water faucet
  • Frozen water pipe
  • The heater’s electricity is on, but no water supply
  • Heater’s switch is off
  • Malfunctioning mixing valve
  • Setting the too low temperature


Fix the above issues in the following ways and ensure your heater produces enough hot water.

  • Inspect your heater’s shut-off valve and ensure it is fully open 
  • Completely open the hot water faucet
  • Allow your frozen heater’s pipe to thaw
  • Ensure that your heater is getting sufficient electricity and water supply
  • Using the remote control’s button, turn on your water heater unit
  • Increase your heater’s temperature
  • Replace the faulty mixing valve

5. Camplux Water Heater Yellow Flame

Camplux hot water heater yellow flame is another problem that you can’t overlook. Yellow flame causes extreme smoking and dirt build-up in the flue tubes, combustion chamber, and gas burner. The reasons behind your heater’s yellow flame are:

  • Cracked gas regulator
 gas regulator
  • A dirty burner or clogged main burner
  • Insufficient air circulation and improper ventilation in your heater
  • Blocked vent or flue system


On your Camplux hot water heater’s front cover, you will see the middle horizontal window or viewer panels. Look through the window to check whether your heater produces a blue or yellow flame. 

Don’t attempt to use your Camplux water heater if it produces a yellow flame. First, fix the flame’s issue and then use it. The resolving ways to the above difficulties are: 

  • Replace the cracked gas regulator
  • From the gas burner’s top, remove the scale and adequately clean the burner and unclog the main burner
  • Ensure sufficient air circulation and proper ventilation in your heater
  • Clean the pipes properly and remove the vent or flue’s blockage

6. Camplux Water Heater Leaking

So, another hitch is your Camplux water heater leaking from the bottom. A leaking heater causes endless troubles to the users. The responsible factors for it are: 

  • The hot water fills the empty space by creating steam, and it creates high water pressure on your heater
  • Loose pipes connection
  • Cracked heater
  • Defective T & P (Temperature & Pressure) relief valve
  • Lousy, leaking, or closed drain valve
  • Damaged or loose gaskets
  • The faulty cold and hot inlet and outlet


When water appears to leak from your Camplux hot water heater, you should take the following steps immediately. 

  • Make sure your heater is not producing extremely hot water to reduce the high water pressure.
  • Check and tighten your water tank’s pipe connection.
  • Replace the cracked heater, malfunctioning T & P relief valve, loose or damaged gaskets, lousy drain valve, and the defective hot and cold water inlet and outlet

7. Camplux Water Heater Error Codes

Displaying error codes on your Camplux water heater’s screen means your heater is giving you the fault indication. Your Camplux water heater’s types of error codes, code meaning, causes, and solutions are well-explained in the following table. Thus go through the table below:

Error Code Error Meaning Causes Solutions 
E0Hot water sensor not working Short circuit Junction pat loose Faulty or broken sensor Prevent your heater’s overheating to avoid short circuit Tighten the junction pat Replace the broken or faulty sensor 
E1Failed ignition systemLoose junction pat Close or partially open gas valve Close water shut off valve Tighten the junction pat Check and open gas and water shutoff valve fully 
E2Flame Failure Protection Heater fails to detect the flame Gas supply is off Empty tank or low fuel supply Damaged fuel sensor Ensure your water heater is perfectly detecting the flame Check and turn on the gas supply Refill fuel tank and ensure proper fuel supply Replace the faulty fuel sensor 
E3 Overheating protection Overheating controller Dry combustion Ensure your heater controller is not overheating
E5Pressure switch failureToo low power supply voltage Faulty motor Ensure high power supply voltage Replace bad motor 
E7Solenoid Valve Valve’s open circuit Valve’s short circuit Faulty or Disconnected valve Prevent the valve’s open and short circuit Replace the lousy valve Make sure the valve is properly connected 
EbResidual Fire Failure Solenoid issue Malfunctioning PCB controller Replace the faulty PCB controller, and fix the solenoid issue 

How To Clear Camplux Hot Water Heater Error Codes

If your Camplux water heater displays an error code, you can follow the ways below to clear it from your heater’s screen. 

  • Close your heater’s hot water faucet and turn off the remote control’s switch
  • Wait 5 minutes and then turn on the switch again
  • Now open your heater’s hot water faucet

After following these steps, if the error code still appears on your heater, you should repeat these phases 2-3 times.

8. Camplux Water Heater Black Smoke

Your Camplux heater uses smokeless fuels such as gas, propane, etc. So, the black smoke on your water heater means other than gas, something else is burning. Usually, the dirt or debris build-up on the burner causes your heater’s smoke.


If your Camplux water heater produces a little sooty and black smoke, you should first clean the burner’s dirt and debris build-up. Also, adjust the burner sleeve near your water heater’s gas valve to fix this black smoke hitch.

9. Water Is Flowing, But No Hot Water Is Coming From Heater

So if you face this problem while using your Camplux water heater, be sure that the following culprits are causing this issue.

  • Improperly hooked up incoming and outgoing water supply
  • Inadequate water pressure
  • Insufficient gas supply
  • Faulty gas regulator


Even after your Camplux water heater’s adequate water flow, if no hot water comes from the heater, you should do the following to fix it:

  • Ensure your heater’s incoming and outgoing water supply is adequately hooked up
  • Replace the defective gas regulator
  • Ensure adequate water pressure and sufficient gas supply


Why does my hot water heater smell like it’s burning?

When the accumulated dirt, dust, or debris build-up comes in contact with your heater’s warm part, you may smell like something is burning in your heater.

What are the signs that your hot water heater is going out?

The heater getting too hot, rust in water, the water heater leaking from the bottom, heater making odd noises are some signs that your hot water heater is going out.

What is the normal temperature for a Tankless water heater?

Against scalding, your Tankless water heater’s recommended normal temperature is 120 degrees Fahrenheit. But the heater’s common default setting is 140 degrees.

Wrap Up

So, hopefully, the above Camplux water heater troubleshooting guide was helpful for you. And from now on you can fix your heater’s issues by yourself. If you have any other queries, comment and tell us. Our expert will answer you soon.

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