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

C6.1.6/0613-0915/E 58
Code
Description
Cause
Action
Reset
E45
High condenser pressure alarm
Not used in Asia
E46
High condenser temperature alarm
Condenser
temperature larger
than E58 for E59
minutes
The compressor is activated according
to E60
Automatically: as soon as condenser
temperature lower than E61
E47
EXV full open in EVI
EXV full open for F40
minutes
Warning signal only
Automatically: as soon as EXV is not at
maximum steps
E48
Refrigerant shortage error in EVI
EXV full open and
PHE super heat is
larger than
(F28/F29…/F37 +
F39)
Warning signal only
Automatically: as soon as PHE super heat is
lower than (F28/F29…/F37 + F39)
(F28/F29…/F37 depends on refrigerant type)
E49
Pumpdown alarm
Not used
E50
High side floodback alarm
The differential
temperature between
discharge and mid-
coil is lower than H21
for accumulated H22
minutes in H23
minutes
Warning signal only
Automatically: as soon as differential
temperature between discharge and mid-coil is
larger than H21 for H24 minutes
E60
Max pressure alarm of superheating
Not used
E61
Min pressure alarm of superheating
Not used
E62
High superheating alarm
Not used
E63
Low superheating alarm
Not used
E64
High room temperature alarm
Not used
E65
Low room temperature alarm
Not used
Table 30: Alarm code overview