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COMBITOUCH™ ES SERIES • ELECTRIC INSTALLATION MANUAL • 28.
I N S T A L L A T I O N
E R R O R C O D E S
Error
Code
Display Shows
When does the error
occur?
Possible reason
E01
Low Water Boiler Low water level in boiler — 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.
E02
Control Temperature High Relay board surface temperature
too high
— Cooling fan on Relay board assembly is not operating.
— Cooling Fan on display board is not operating.
— Main Cooling fan is not operating.
— Cooling Fan on motor drive is not operating.
— Unit is less than 20" from a heat producing source on
its left hand side.
E03
Fan Motor Error Fan motor does not work — Exhaust hood is not operating properly.
— Check LED flashes on the Motor Control.
— See Motor Control Error Code list.
— Connection Issue.
E11
Convection Temperature High Excess oven temperature Convection Mode & Combi Mode.
— Convection Oven contactor(s) stuck closed.
— N6 Oven Cavity Temperature probe defective.
— N6 Cavity Probe connection problem.
Combi Mode Only
— Insufficient water supply into oven for steam
production.
E13
Boiler Temperature High Boiler temperature overheats — Scale build up inside steam generator.
— B4 Probe connection problem.
— B4 probe faulty.
E15
Condensor Temperature High Excess condensor temperature — Untreated Water Supply Line is shut off.
— Untreated water supply line is connected to warm
water.
— B3 probe connection problem.
— B3 probe is faulty.
— Single solenoid valve Y2 obstructed or faulty.
— Wiring or connection problem.
CONTINUED ON NEXT PAGE
This section is provided for the assistance of qualified technicians only and is not intended for use by
untrained or unauthorized service personnel. If your Alto-Shaam
®
unit is not operating properly, check the
f
ollowing before calling your Authorized Alto-Shaam Service Agent:
☛ Check the power flow to the unit. Plug in outlet?
Do not attempt to repair or service the CombiOven™ beyond this point. Contact Alto-Shaam for the
nearest authorized service agent. Repairs made by any other service agents without prior authorization
by Alto-Shaam will void the warranty on the unit.