Carrier AQUASMART 30EX Series Installation Operation & Maintenance page 59

ERROR
TYPE OF ERROR
CODE
Error in the Inverter
E-40
compressor board
Error in
compressor board
(communication
between
E-41
High current
on Inverter
compressor
Error on
compressor board
sink sensor
E-42
No phase at
the compressor
board inlet.
No phase at
the compressor
board inlet.
E-43
High temperature
in the compressor
board inverter
module.
CONSEQUENCE of ERROR
only on Chiller 1 (Master)
Models 380/440V: Turns off
or does not enable Inverter
compressor starting.
Models 220V:
Turns off the Inverter
compressor and tries to
start again after 3 min.
Models 380/440V:
It only turns off the
inverter compressor.
Models 220V: It only turns
off the inverter compressor,
returning after 2 min.
Models 380/440V:
Inverter compressor
won't start
If the compressor is
running, it will go off .
Models 220V:
Inverter compressor
won't start.
If the compressor is
running, it will go off .
Models 380/440V:
Inverter compressor
won't start
If the compressor
is running,
it will go off .
Models 220V:
Inverter compressor
won't start
If the compressor is
running, it will shut
down, returning after the
heatsink temperature
has been reduced.
CONSEQUENCE
of ERROR only on
Chiller 2 to 8 (Slaves)
Check/correct:
Supply voltage on the board
NA Connection on the board
Ground conditions
Replace the board if required.
Check/correct:
The board supply voltage,
connection on the board,
NA
ground conditions
Replace the board if required.
Check/correct:
Compressor supply voltage.
Phase balance. Connection
between board and compressor.
Bad contact in some component.
NA
High discharge pressure
Compressor locked out
Failure in the fan system.
Excessive refrigerant charge
refrigerant charge. Replace
the board if required.
NA Replace the board.
Check/correct:
NA
The point where voltage
is interrupted.
Check/correct:
NA
The point where voltage
is interrupted.
Check/correct:
Heatsink temperature
(maximum 105°C).
NA
Voltage and current on the
board. If the problem is in the
sensor, replace the board.
RECOMMENDED ACTIONS
59