Alto-Shaam COMPITHERM 2020ESG - Manual (Page 28)

COMBITOUCH TM ESG SERIES • GAS INSTALLATION MANUAL • 26.
INSTALLATION
CombiTouch ERROR CODES
Error
Code Error call out in Display Description of Error Possible reason
E34 Steam Generator Drain
Pump Fault Water level in steam
generator does not drop
during cleaning program — Scale build up inside the steam generator drain
pump.
— Scale build up inside the steam generator affecting
water level probes.
— Generator drain pump is faulty
— Connection issue at drain pump.
— No output to pump from relay board.
E36 Steam Temperature High Oven cavity temperature is
too high when operating in
a steam mode or cleaning
program — Water supply is shut off.
— Low water pressure.
— Wiring or connection issue.
— Water injection pipe obstructed.
— Water fl ow control valve plugged or defective.
— Dual solenoid valve Y-1 obstructed or defective.
— No output to solenoid valve form relay board.
E51 No Water In Boiler Water inside steam generator
does not reach low water
level
— Water supply is shut off.
— Low water pressure.
— Generator drain cap missing or loose.
— Generator drain pump is not sealing.
— Generator drain pump elbow leaking.
— Faulty or scaled water level probe.
— Faulty or plugged dual solenoid valve assembly.
— Wiring or connection issue.
— No output to dual solenoid from relay board.
E53 Fan Motor High
Temperature Fan motor too hot — Exhaust hood is not operating properly.
— Check LED fl ashes on the Motor Control.
— See Motor Control Error Code list.
— Connection Issue on Hall Effect sensor.
— Fan wheel is not operating.
— Hall sensor does not detect motor rotation.
E54 Fan Motor 2 High
Temperature 20.20 lower fan motor too hot — Exhaust hood is not operating properly.
— Check LED fl ashes on the Motor Control.
— See Motor Control Error Code list.
— Connection Issue on Hall Effect sensor.
— Fan wheel is not operating.
— Hall sensor does not detect motor rotation.
E55 Vent not open Browning valve does not
open — Alignment issue between motor cam and vent
motor safety switch (micro switch).
— Fault vent valve (motor).
— Fault vent valve safety switch (micro switch).
— Wiring or connection problem.
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