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COMBITOUCH® ES SERIES • ELECTRIC INSTALLATION MANUAL • 31.
INSTALLATION
cONTINUed ON NexT pAge
ERROR CODES
Error
Code
Error Call Out in Display Description of Error Possible Cause
E13
Boiler Temperature High Boiler temperature overheats — Scale build up inside steam generator.
— Scale build up on water level probe.
— 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.
— Relay board, high voltage is not operating.
E20
HACCP Only - B11 Core
Temperature Probe Single
Point Fault
Error E20 is not shown in display.
Instead a probe sign with “?” is
shown as popup window. In case
the customer cooks in time mode
during fi rst step and during second
step switches to probe mode but has
no probe in place, the error E20 will
be shown in the error code list and
HACCP list.
Single point core temperature
probe defect or disconnected.
— Clean Probe Receptacle Pins with sand paper.
— B11 Single Point Core Temperature probe with
quick connect, defective.
— B11 Single Point Core Temperature probe wires
with quick connect, disconnected.
— B11 Single Point Core Temperature probe
receptacle, defective.
— B11 Single Point Core Temperature probe
receptacle wires disconnected.
E21
N6 Cavity Probe Fault Cavity temperature probe
defect or disconnected
— N6 Oven Cavity Temperature probe defective.
— N6 Oven Cavity Temperature connection problem.
E22
B10 Core Temperature Probe
Multipoint Fault
Multipoint core temperature
probe defect or disconnected
— B10 Multipoint Core Temperature probe defective.
— B10 Multipoint Core Temperature probe connection
problem.
E23
B4 Boiler Probe Fault Boiler temperature probe
defect or disconnected
— B4 Boiler temperature probe defective.
— B4 probe wires connection problem.
E24
B5 Bypass Probe Fault Bypass steam temperature
probe defect or disconnected
— B5 Bypass steam temperature probe defective.
— B5 Bypass steam temperature connection problem.
E25
B3 Condensor Probe Fault Condensor water
temperature probe defect or
disconnected
— B3 Condensor temperature probe defective.
— B3 Condensor probe connection problem.
E26
N8 Boiler Safety
Temperature Probe Fault
Steam generator heating
element protection probe
defect or disconnected
— N8 Boiler temperature probe defective.
— N8 probe connection problem.
E27
Boiler Element
Temperature High
Excess steam generator
safety probe
— Scale build up inside steam generator.
— Scale build up on water level probe.
— Water level probe connection failure.
— N8 boiler temperature probe defective.
— N8 probe connection problem.
— Steam element contactor(s) stuck closed.
— Wiring or connection problem.