Test Run Method; Troubleshooting; How To Handle Problems With The Test Run - Mitsubishi Electric PEH-RP250MYA Installation Manual
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Also See for PEH-RP250MYA:
- Technical & service manual (34 pages) ,
- Operation manual (15 pages)
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12.3. Test run method
1 Turn on the power to the unit at least 12
hours before the test run.
TEST RUN
2 Press the
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.
MODE
3 Press the
button to ac-
tivate
mode, then check whether cool
COOL
air is blown out from the unit.
MODE
4 Press the
button to ac-
tivate
mode, then check whether warm
HEAT
air is blown out from the unit.
FAN
5 Press the
button and check whether
fan speed changes.
6 Press the ON/OFF button to stop the test
run.
13. Troubleshooting
13.1. How to handle problems with the test run
Error code list: details
Remote controller
MELANS display
display
E0
6831, 6834
E1, E2
6201, 6202
E3
6832, 6833
E4
6831, 6834
E5
6832, 6833
E6
6740, 6843
E7
6841, 6842
E8
6840, 6843
E9
6841, 6842
EA
6844
EB
6845
EC
6846
ED
0403
EE
0403
F1
4103
F8
4115
A0
6600
A2
6602
A3
6603
A6
6606
A7
6607
A8
6608
EF
undefined
U2
1102
U2
1108
U3
5104
U4
5105
U6
4101
UE
1302
UL
1300
F8
4115
P1
5101
P2
5102
P4
2503
P5
2502
P5
2500
P6
1503
P6
1504
P8
1110
20
A
TEST RUN
ON/OFF
TEMP
7
FAN
AUTO STOP
5
MODE
VANE
AUTO START
3,4
6
CHECK
LOUVER
h
TEST RUN
min
2
SET
RESET
CLOCK
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
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.
Error details
Problem location
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
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