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GAS COMBITHERM — INSTALLATION MANUAL #MN-28676
PG. 27
ERROR CODES
®
COMBITHERM
E
RROR CODES AND REASONS (continued)
Error
Code
Display Shows When does the error occur? Possible reason
E29 Probe Short to Frame Activated if one or more of the temperature
sensors were connected to GND for 5
seconds.
• Connection issue at any of the temperature
sensors.
• Temperature sensor shorted to
ground/faulty.
E34 DE (Drain) Pump Failure Activated if water level did not drop below
the low level sensor in the generator during a
steam generator flush.
• Problem with water level probe.
• Scale build-up inside steam generator.
• Scale plugging drain pump.
• Faulty drain pump.
E35 Venting Error Activated when vent switch reads open (vent
closed) when it should be closed (vent open),
or when it reads closed (vent open) when it
should be open (vent closed).
• Alignment issue between motor cam and
micro switch.
• Connection issue at micro switch.
• Connection issue at control.
• Faulty vent switch.
• Faulty vent motor.
E36 Steam Temp High Activated when oven temperature probe (N-6)
measures a temperature in excess of 395°F
(202°C) when running in Steam or Combi
mode.
• Water supply is shut off while unit is running
in Steam or Combi mode.
• Plugged or faulty Y-1 solenoid.
• Obstruction between Y-01 solenoid and
water inlet.
E80 ID Error Control is unable to detect whether unit is
gas or electric.
• Connection issue at X-3 personality jumper.
• Faulty control.
E81 Program Memory Error Temperature value or time value of a program
step is not allowed.
• Program was generated in °C and control
has been switched to °F.
• Program was generated in °F and control
has been switched to °C.
E82 WP Error Temperature value or time value of current
cooking algorithm is out of allowed array.
• Delete program and reinstall.
E83 Algo Error Cooking algorithm sent by operating module
(BM) is unknown to control unit (SM).
• Software versions of control unit and
operating module are incompatible.
• Software error in operating module.
E96 Connection Error No or bad communication between control
unit (SM) and operating module (BM).
• Connection issue at ribbon cable on display
or relay board.
• Faulty ribbon cable.
• Software versions of control unit and
operating module are incompatible.