Emerson Copeland EazyCool OM 501 Series Application Manuallines page 67

Code Description
E55 Fan failure
E60 Max pressure alarm of superheating When the temperature
E61
Min pressure alarm of superheating When the temperature
E62 High superheating alarm
E63 Low superheating alarm
E64 High room temperature alarm
E65 Low room temperature alarm
E66 Door open alarm
E80 RTC warning, date not correct
E81 RTF warning, communication error
C6.1.9/0617/E
Cause Action
Fan alarm contact Warning signal only
open
See Paragraph
which converts from
suction pressure rises
above the set threshold
(MoP/L08) for the time
dMP/L10
0
which converts from
suction pressure falls
below the set threshold
(LoP/L09) for the time
dLP/L11
If the superheat Valve is opened at (HSt/M01).
remains > HSH/L04 for
HSd/L06
If superheat < LSH/L03 Valve will slowly close to the LSt/M02
If (temperature > Warning signal only
(ALU/G48
If (temperature < Warning signal only
(ALL/G49
If the door is open Warning signal only if rrd/G09 is no
longer than dSA/G53 Alarm with compressor will be tripped if
rrd/G09 is yes
HW problem in the Disable the RTC, or change the board
board
HW problem in the Disable the RTC, or change the board
board
Reset
Verify fans protection
The MOP control ends when the superheat is
lower than the set point of superheating
The LOP control ends when the temperature
rises to 4 °C over the threshold of LoP/L09 or in
case of superheating under the SET low
superheat when the temperature is in
[LOP,LOP+4°C]
Automatically with the SH . condition
Automatically with the SH. condition
If (temperature < = (ALU/G48-AHY/G50)) Reset
If (temperature >= (ALL/G49+AHY/G50))
Manual or automatic – see beside
0
0
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