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OMBITHERM
ELECTRIC COMBITHERM — INSTALLATION MANUAL #MN-28897
PG. 27
ERROR CODES
There is a remote possibility in the day-to-day operation of the Combitherm that the control could
l
ock or freeze. If this occurs, the control is easy to reset.
PRESS AND HOLD THE POWER KEY FOR A PERIOD OF 5 SECONDS.
Release the POWER KEY.
The control will will reset itself within approximately 15 seconds.
WHEN RESET, THE DISPLAY WILL INDICATE THE TIME AND DATE AND THE CONTROLS WILL BE FULLY FUNCTIONAL.
C O N T R O L R E S E T
When the oven malfunctions, an error code will appear in the display.
PRESS THE START KEY TO ACKNOWLEDGE THE ERROR.
The keys that begin to flash represent operational modes that are still usable. Refer to Emergency
Operation.
When the oven fault is corrected, the Combitherm will return to normal Operation.
ERROR CODES AND REASONS
S E R V I C E M O D E A N D E R R O R C O D E S
Error
Code
Display Shows When does the error occur? Possible reason
E01 Low Water ES units only:
• Activated if running in any mode and the
water level drops below the low level sensor.
• Activated if in standby mode and the water
level drops below the low level sensor for
3 minutes.
• Water supply is shut off.
• Low water pressure.
• Steam generator drain cap is off or loose.
• Drain pump is not sealing.
• Faulty or scaled water level probe.
• Faulty or plugged solenoid valve assembly.
• Wiring or connection issue.
E02 Control Temp High Activated if the temperature of the electrical
control is higher than 176°F for 20 seconds.
• Cooling fan not operating.
• Unit is next to a heat producing source (there
is less than 20" clearance for the control
side).
• Exhaust hood is not operating (if applicable).
E03 Fan Malfunction Activated if the motor protection switch is
tripped.
• Motor rotation is backwards.
• Incorrect power to the unit.
• Connection problem at X-7 plug on relay
board pins 3-4.
E04 Aux Fan Fault Auxiliary fan malfunction. • Control setup programming error.
• Contact factory.
E11 Excess Oven Temp Activated if the oven cavity temperature is
higher than 572°F for 25 seconds.
• Connection issue with oven temperature
sensor.
• Convection element contactor is stuck.
• Faulty oven temperature sensor.