Help please Truma heater combi 4

[lee bendall]

Hi guys getting the flash code on Truma Combi 4 it’s llsllssl I’ve googled it it’s says Combustion air motor faulty

• Cable harness faulty
• Fault in I’ve checked all motors there runing fine only thing i can see is a bit of corrosion on the pcb board would this be coursing my problem thanks in advance

 

[lee bendall]

Here’s a photo of the pcb board

 

[Bessy765]

Have you tried resetting it using the reset button on the actual PCB board. You need the heater set to come on then press and hold the button in until the lights change the rate of flashing

 

[lee bendall]

Have you tried resetting it using the reset button on the actual PCB board. You need the heater set to come on then press and hold the button in until the lights change the rate of flashing

Hi thank you for reply I’ve pulled the board out and my one don’t seem to have a rest button

 

[lee bendall]

I have a bit of corrosion on the board the code comes bk as 217 I’ve attached a photo of the damag ex do u think this could be the problem

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[GeoffnDee]

If you do need the PCB testing www.arelectronics.co.uk should be able to help.