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C6.1.9/0219/E
44
Code
Description
Cause
Action
Reset
E49
Pumpdown alarm
When liquid line
solenoid is off, and time
out MPd/G11 time is
over after the time
MPd/G11, compressor
is still on
Warning signal only
Automatically
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
E51
Cold start alarm
Discharge line
temperature is higher
than parameter D31
setting or suction
pressure is lower than
parameter D32 setting
It is used for Digital compressor, during
alarm time, the Digital compressor
output is 50%
Automatically as soon as condenser probe
temperature is higher than C13
L51
Cold start lockout alarm
Number of cold start
alarms due to suction
pressure exceeds
parameter D34 setting
or number of cold start
alarms due to
discharge line
temperature exceeds
parameter D33 setting
Digital compressor turns off and is
locked out
Hold "start" button for 5 sec or manual power off
and on
E52
Liquid watch
Digital input for liquid
receiver level open
Warning signal only
Verify the gas charge; check for leaks
E53
Com dig down
Digital input for digital
compressor open and
digital compressor
active
Warning signal only
Check compressor protection
E54
Com fix down
Digital input for fixed
compressor open and
compressor active
Warning signal only
Check compressor protection
Содержание Copeland Eazycool OLTE-82D-TFD
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