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T R OU B L E S H O O T I N G
S E R V I C E
Error
Code Description/Results
Possible Cause
Service Required
E-10 Air Sensor Fault (shorted)
Inoperative Oven
Air sensor is shorted.
Air sensor defective? See following page for air sensor test.
E-11 Air Sensor Fault (open)
Inoperative Oven
Air sensor is open or connection failure.
Air sensor defective? See following page for air sensor test.
E-20 Product Probe Fault (shorted)
Oven will coo k in time o nly
Product probe is shorted
Probe defective? See following page for probe sensor test.
E-21 Product Probe Fault (open)
Oven will coo k in time o nly
Product Probe is open or connection failure.
Probe defective? See following page for probe sensor test.
E-30 Under temperature
Oven wi ll not reach set temperatu re
Oven door closed? Door gasket need replacement? Preheat skipped?
Oven overloaded or has frozen product? Defective air sensor or probe?
Defective solid state relay? Bad wire connections or open heating cable?
Is the high limit switch tripped? If none of the above, call service.
E-31 Over temperature
Oven will shut dow n
Shorted cable? Defective solid state relay? Defective air sensor?
If none of the above, call service.
E-60 Real time clock error
Inoperative Oven
Control must be replaced.
This error also is displayed if the unit has been unplugged for more than 30
days. If this is the case the unit should be plugged in with the circuit breaker
on and the unit displaying the E-60 on the front panel for more than 30
minutes. Once this has been accomplished the circuit breaker should be
turned to off or the unit unplugged for about 10 seconds after which the unit
should be turned on again. This may have to be repeated.
E-70 Configuration connector error
Inoperative Oven
Check control connections for loose wires. If none, control must be replaced.
E-78 Voltage low
Inoperative Oven
If 125 VAC unit, voltage is below 90 VAC. Correct.
If 208-240 VAC voltage is below 190 VAC. Correct.
E-79 Voltage high
Inoperative Oven
If 125 VAC unit, voltage is over 130 VAC. Correct.
If 208-240 VAC, voltage is over 250 VAC. Correct.
E-80 EEPROM - Function data error
Inoperative Oven
Contact Service.
E-82 EEPROM - Calibration data error
Inoperative Oven
Contact Service.
E-84 EEPROM - Unit ID error
Inoperative Oven
Contact Service.
E-86 EEPROM - Preset data error
Inoperative Oven
Contact Service.
TH/III INSTALLATION/OPERATION/SERVICE MANUAL PG. 25
D A N G E R
DISCONNECT UNIT FROM
POWER SOURCE BEFORE
CLEANING OR SERVICING.
C A U T I O N
THIS SECTION IS PROVIDED FOR THE ASSISTANCE
OF QUALIFIED SERVICE TECHNICIANS ONLY AND
IS NOT INTENDED FOR USE BY UNTRAINED OR
UNAUTHORIZED SERVICE PERSONNEL.