TROUBLESHOOTING
Dra we r Wa rmer ▪ Oper a tor’s M a n ual ▪ M N-46969 ▪ Rev 1 ▪ 5 /2 0
35
TROUBLESHOOTING
Error Codes
Code Description Cause/Remedy
E-10 Cavity probe shorted Cavity air sensor reading < 5°F (-15°C).
Verify sensor integrity.
E-11 Cavity probe open Cavity air sensor reading > 517°F (269°C).
Verify sensor integrity.
E-20 Product probe is shorted
(oven will cook in time only)
Product probe reading < 5°F (-15°C). Verify
sensor integrity.
E-21 Product probe is open
(oven will cook in time-mode
only)
Product probe reading > 517°F (269°C).
Verify sensor integrity.
E-30 Unit under temperature Unit has been more than 25°F (14°C) below
setpoint for longer than 90 minutes.
E-31 Unit over temperature Unit has been more than 60°F (33°C) above
the maximum setpoint for longer than 3
minutes. Holding Cabinets with this error
code are more than 145°F (81°C) above the
maximum setpoint.
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 the electrical schematic and ensure
DIP switches on the control match the
settings called out on the schematic. If the
DIP switch settings are correct, according to
the schematic, 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.
Adjust DC voltage.
E-79 Voltage high Voltage over 135 VAC on a 125 VAC unit, or
over 250 VAC on a 208-240 VAC unit. Adjust
DC voltage.
E-80 EEPROM RAM reset 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 not responding 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
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