24
Alarm Signals
Alarm
Code
No. of Beeps
(every 10 sec.) Problem
Reset Options
E3
5
Defrost Alarm
Freezer Only: Display alternates between
"E3" and "dEF".
Defrost has taken longer than 1 hour.
Control board has terminated defrost.
During alarm, press the "RESET"
button. Alarm stops and "E3" clears.
If 4 consecutive defrosts take more
than 1 hour, call a qualified service
technician.
E4
6
High Pressure Alarm
Compressor discharge pressure is
outside of the normal operating range.
The high pressure switch has been
triggered 3 or more times in 1 hour. The
air filter and/or condenser may require
cleaning.
Clean the air filter and/or condenser
if necessary. Press the "RESET"
button. If the high pressure switch
resets automatically, the alarm is
silenced and "E4" clears.
If the high pressure switch trips
5 times in 1 hour, the compressor
stops and will not re-start. A service
technician must be called. After the
5th pressure trip, the alarm can be
silenced for 1 hour by pressing the
"RESET" button.
E6
8
High Voltage Alarm
Line voltage has been too high for
at least 10 seconds. To protect the
compressor, the compressor shuts down.
The alarm automatically resets when
acceptable voltage is detected.
Press the "RESET" button to silence
the alarm for 5 minutes. If this alarm
occurs frequently, call a qualified
service technician.
E7
9
Low Voltage Alarm
Line voltage has been too low for at least
10 seconds. To protect the compressor,
the compressor shuts down.
The alarm automatically resets when
acceptable voltage is detected.
Press the "RESET" button to silence
the alarm for 5 minutes. If this alarm
occurs frequently, call a qualified
service technician.
E8
Constant
Cabinet Thermistor Malfunction Alarm
Cabinet thermistor has failed.
Call a qualified service technician.
During alarm, press the "RESET"
button to silence the alarm for
5 minutes.
E9
Constant
Defrost Thermistor Malfunction Alarm
Defrost thermistor has failed.
Call a qualified service technician.
During alarm, press the "RESET"
button to silence the alarm for
5 minutes.
E10
(Dual Temp
Series)
10
Communication Alarm
When communication is restored,
alarm resets.
During alarm, press the "RESET"
button to silence alarm for 18 hours.
