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1000-BQ2 (Rev. 1) seRies opeRation & caRe manual • 15
Code Description Possible Cause
E-10 Cavity air sensor shorted
Cavity air sensor reading < 5°F. Verify sensor integrity.
See sensor test instructions below.
E-11 Cavity air sensor open
Cavity air sensor reading > 517°F. Verify sensor integrity.
See sensor test instructions below.
E-20
Product probe is shorted
Oven will cook in time only
Product probe reading < 5°F. Verify sensor integrity.
See sensor test instructions below.
E-21
Product probe is open
Oven will cook in time only
Product Probe reading > 517°F. Verify sensor integrity.
See sensor test instructions below.
E-30 Under temperature
Unit has not reached (set-point - 25°F) for more than 90 minutes.
E-31 Over temperature
Unit has been higher than 25°F above the maximum cavity set-point for
more than 2 minutes. Note: Holding Cabinets with this error code are
more than 145°F higher than the maximum set-point.
E-32
Safety switch open
(Aux hi-limit switch)
Contact factory.
E-38 Internal software error
Contact factory.
E-39 Sensor error
Contact factory.
E-50 Temp. measurement error
Contact factory.
E-51 Temp. measurement error
Contact factory.
E-60 Real time clock error
Data set to factory default. Ensure that date and time are correct if applicable.
E-61 Real time clock error
Contact factory.
E-64 Clock is not oscillating
Contact factory.
E-70
Configuration connector
error (DIP switch)
Refer to wiring diagram for the particular model and ensure dip switches on
the control match the settings called out on the WD. If the dip switch settings
are correct according to the print replace the control.
E-78 Voltage low
Voltage below 90 VAC on a 125 VAC unit, or below 190 VAC on a
208-240 VAC unit. Correct voltage.
E-79 Voltage high
Voltage over 135 VAC on a 125 VAC unit, or over 250 VAC on a
208-240 VAC unit. Correct voltage.
E-80 EEPROM Error
Ensure that all temperatures and times are properly set.
Contact factory if problem persists.
E-81 EEPROM Error
Contact factory.
E-82 EEPROM Error
Contact factory.
E-83 EEPROM Error
Contact factory.
E-85 EEPROM Error
All timers, if previously on, are now off. Possible bad EEPROM.
E-86 EEPROM Error
Stored HACCP memory corrupted. HACCP Address reset to 1. Possible bad
EEPROM. Contact factory if problem persists.
E-87 EEPROM Error
Stored offsets corrupted. Offsets reset to 0. Control may need a recalibration.
Possible bad EEPROM. Contact factory if problem persists.
E-88 EEPROM Error
All timer set-points are reset to 1 minute. Timers, if previously on, are now
off. Possible bad EEPROM.
E-90 Button stuck
A button has been held down for >60 seconds. Adjust control. Error will
reset when the problem has been resolved.
E-91 Input failure
Contact factory.
E-dS Datakey error
Datakey digital signature incompatible. Cycle power, and install compatible
Datakey if error persists.
E-dT Datakey error
Datakey incompatible with control. Install compatible Datakey.
E-dU Datakey unplugged
Install Datakey and cycle power to control to clear error.
dLto Datalogger has timed out
Cycle power. Contact factory if error persists.
dLSD Micro SD card not plugged in
Plug in SD card and cycle power. Contact factory if error persists.
Note: If in doubt, always cycle the power to the control and contact factory if the problem persists.
To test probe and air sensor:
Tes t probe and air sensor by placing sensor in ice water bath and using an ohmmeter set on the ohm scale. The
reading should be 100 ohms resistance. If it is more than 2 ohms higher or lower, sensor needs to be replaced
.
SERVICE
TROUBLESHOOTING