Setpoint changes
Press
or
to adjust the setpoint temperature. The
current temperature will
blink once, before it increases or
decreases depending on which arrow key is pressed
Manual Defrost
Press the
key for
3 seconds
to
attempt
a
manual defrost
Alarm Codes
Code
Description
Action
ADT
Above defrost temperature
Evaporator temperature is too high for defrost
BLK
Setpoint Changes Blocked
Manual setpoint changes are disabled
CF
Communication failure
Problem between controller & module communication.
D
Door open
Buzzer ON until the cargo area door is closed
HPF
High pressure failure
Compressor off until high-side pressure decreases
LPF
Low pressure failure
Compressor off until low-side pressure increases
SBY
Electric stand by connected
Wall plug connected while ignition is ON
HTF
High pressure transducer fault
High pressure transducer signal lost
LTF
Low pressure transducer fault
Low Pressure transducer signal lost
RTO
Return temperature sensor open
System will continue to operate with temperature control
following back-up open loop
RTS
Return temperature sensor short circuit
EVO
Evaporator coil temperature sensor open
Defrost control will only allow manual defrosts (user
requested) and will continue to perform defrosts based on
time (
MaxRef.Tm
)
EVS
Evaporator coil temperature sensor short
circuit