
20
DK
SW
NL
I
E
F
D
GB
RU
TR
GR
P
12.3. Test run method
1
Turn on the power to the unit at least 12
hours before the test run.
2
Press the
TEST RUN
button twice continuously.
(Start this operation from the status of re-
mote controller display turned off.)
A
TEST RUN and current operation mode are dis-
played.
3
Press the
MODE
button to ac-
tivate
COOL
mode, then check whether cool
air is blown out from the unit.
4
Press the
MODE
button to ac-
tivate
HEAT
mode, then check whether warm
air is blown out from the unit.
5
Press the
FAN
button and check whether
fan speed changes.
6
Press the ON/OFF button to stop the test
run.
Note:
•
Point the remote controller towards the indoor unit receiver while follow-
ing steps
2
2
2
2
2
to
6
6
6
6
6
.
•
It is not possible to run in FAN, DRY or AUTO mode.
ON/OFF
TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESET
SET
CLOCK
TEST RUN
5
7
A
3
,
4
2
6
13. Troubleshooting
Remote controller communication – reception error
Remote controller board error
Remote controller communication – transmission error
Remote controller communication – reception error
Remote controller communication – transmission error
Communication between indoor and outdoor units – reception error
Communication between indoor and outdoor units – transmission error
Communication between indoor and outdoor units – reception error
Communication between indoor and outdoor units – transmission error
Indoor/outdoor connection wiring error, indoor unit overload (5 units or more)
Indoor/outdoor connection wiring error (interference, loose)
Excessive time in use
Serial communication error
Serial communication error
Reverse phase, out of phase verification
Faulty input circuit
Duplicated M-NET address setting
M-NET error in PH/W transmission
M-NET bus busy
M-NET communication error with P transmission
M-NET error – no ACK
M-NET error- no response
Undefined error code
Outlet temperature error
CN23 Short-circuit Connector Unplugged
Open/short in discharge temp thermistor
Open/short in liquid temp or condenser/evaporator temp thermistor
Compressor overcurrent interruption (51C operation)
High pressure error (63H1 operation)
Low pressure error (63L operation)
Power synchronous idle circuit error
Inlet sensor error
Piping sensor error
Drain sensor error
Drain overflow protector operation
Water leak error (PDH only)
Freeze prevention operation
Surge prevention operation
Piping temperature error
Error details
13.1. How to handle problems with the test run
Error code list: details
Remote Controller
Remote Controller
Remote Controller
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
M-NET board
Outdoor unit
Outdoor unit
M-NET board
M-NET board
M-NET board
M-NET board
M-NET board
M-NET board
–
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Problem location
6831, 6834
6201, 6202
6832, 6833
6831, 6834
6832, 6833
6740, 6843
6841, 6842
6840, 6843
6841, 6842
6844
6845
6846
0403
0403
4103
4115
6600
6602
6603
6606
6607
6608
undefined
1102
1108
5104
5105
4101
1302
1300
4115
5101
5102
2503
2502
2500
1503
1504
1110
MELANS display
Remote controller
display
E0
E1, E2
E3
E4
E5
E6
E7
E8
E9
EA
EB
EC
ED
EE
F1
F8
A0
A2
A3
A6
A7
A8
EF
U2
U2
U3
U4
U6
UE
UL
F8
P1
P2
P4
P5
P5
P6
P6
P8