Table 30: Alarm Code Overview - Emerson Copeland EazyCool ZX Series Application Manuallines

Code Description
E45 High condenser pressure alarm
E46 High condenser temperature alarm
E47
EXV full open in EVI
E48
Refrigerant shortage error in EVI
E49
Pumpdown alarm
E50
High side floodback alarm
E60 Max pressure alarm of superheating
E61
Min pressure alarm of superheating
E62
High superheating alarm
E63
Low superheating alarm
E64 High room temperature alarm
E65 Low room temperature alarm

Table 30: Alarm code overview

C6.1.6/0613-0915/E
Cause Action
Not used in Asia
Condenser
temperature larger The compressor is activated according
than E58 for E59 to E60
minutes
EXV full open for F40
Warning signal only
minutes
EXV full open and
PHE super heat is
larger than Warning signal only
(F28/F29.../F37 +
F39)
(F28/F29.../F37 depends on refrigerant type)
Not used
The differential
temperature between
discharge and mid-
coil is lower than H21 Warning signal only
for accumulated H22
minutes in H23
minutes
Not used
Not used
Not used
Not used
Not used
Not used
Reset
Automatically: as soon as condenser
temperature lower than E61
Automatically: as soon as EXV is not at
maximum steps
Automatically: as soon as PHE super heat is
lower than (F28/F29.../F37 + F39)
Automatically: as soon as differential
temperature between discharge and mid-coil is
larger than H21 for H24 minutes
58