Emerson Copeland Scroll User Manual

25
Alarm
code
Description Alarm type Possible reason Action Reset
E41 Low pressure switch alarm
Refrigeration system
error
Low pressure switch is open
The compressor will
be tripped
Automatically when LP
switch closes and time
delay
E44
High discharge temperature
alarm
Refrigeration system
error
Discharge temperature is
higher than settings
The compressor will
be tripped
Automatically when
discharge temperature is
lower than settings and
time delay
E46
High condensing temperature
alarm
Refrigeration system
error
Condensing temperature is
higher than settings
No
Automatically when
condensing temperature is
lower than settings
E47 EXV Full-open warning
Refrigeration system
error
Less refrigerant charge or
leakage
No
Automatically when EXV is
not at full-open
E48 Less injection warning
Refrigeration system
error
Less refrigerant charge or
leakage
No
Automatically when PHE
super heat is smaller than
settings
E50 High side liquid back warning
Refrigeration system
error
Suction liquid back or injec-
tion too much
No
Automatically when the
difference of discharge
temperature and
condensing temperature
is higher than settings and
time delay
E80 RTC warning Misc. Error
The time is configured for
the new controller
No
Automatically when finish
time configuration
E81 RTF warning Misc. Error
Communication error
between MCU and unit
clock
No
Automatically when the
communication recovers
E82
Probe configuration error
alarm
Misc. Error
The same probes are
configured
No
Automatically when the
probes are configured
correctly
E83
Digital inputs configuration
error alarm
Misc. Error
The same digital inputs are
configured
The related functions
will be disabled
Automatically when the
digital inputs are
configured correctly
E84
Compressor configuration
error alarm
Misc. Error
Digital compressor and
solenoid valve configura-
tion does not match
The compressor will
not work
Manually power off and
power on after the com-
pressor configuration is
right
E85
Injection probe configuration
error alarm
Misc. Error
EXV and injection
configuration do not match
EXV will not work
Automatically when injec-
tion probe is configured
correctly
L86 EEPROM R/W error lock Misc. Error
write/read error into
EEPROM
The compressor will
tripped and the unit
will be locked
Hold “start” button for 5s
or manual power off and
on, alarm will disappear
when the communication
between MCU and EEPROM
is success.
F01 AC input over current Alarm
1.Compressor running
out of envelope
2. Input voltage out of
range
3.Driver issue
The compressor will
be tripped
Automatically after timer
delay
F02 DC bus over voltage Alarm
1. Input voltage higher
than maximum
2. Compressor running out
of envelope
The compressor will
be tripped
Automatically when DC
bus voltage is smaller than
settings & timer delay
F03 DC bus under voltage Alarm
1. Input voltage lower than
minimum
2. Compressor running out
of envelope
The compressor will
be tripped
Automatically when DC
bus voltage is higher than
settings & timer delay

Emerson Copeland Scroll Specifications

General

Brand	Emerson
Model	Copeland Scroll
Category	Air Conditioner
Language	English