FLOOR-STANDING Inverter Heat Pump
M series
TROUBLESHOOTING
FLOOR-
ST
ANDING
C-259
NOTE:
When the indoor unit has started operation and the above failures are detected (the first detection after the power
ON), the indoor electronic control P.C. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp
flashing.
Left lamp flashes.
7-time flash
2.5-second OFF
Left lamp flashes.
14-time flash
Left lamp flashes.
15-time flash
2.5-second OFF
2.5-second OFF
No.
1
3
6
7
Symptom
Operation indicator lamp
Check point
Left lamp flashes.
0.5-second ON
0.5-second OFF
Mis-Wiring
or serial
signal
Outdoor
power
system
Outdoor
thermistors
Outdoor
control
system
Indoor coil
thermistor
When the serial signal from the outdoor unit is
not received for a maximum of 6 minutes.
The compressor stops 3 times consecutively
for over current protection or start-up failure
protection within 1 minute after start-up.
When the outdoor thermistors short or open
circuit during the compressor operation.
When it cannot properly read data in the
nonvolatile memory of the inverter P.C. board
or of the outdoor electronic control P.C. board.
4 Indoor fan
motor
8
Abnormal
point
Room
tempera-
ture
thermistor
Left lamp flashes.
2-time flash
2.5-second OFF
When the indoor coil or the room temperature
thermistor is shorts or opens circuit.
Left lamp flashes.
3-time flash
2.5-second OFF
When the rotational frequency feedback
signal is not emitted during the indoor fan
operation.
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
Left lamp flashes.
5-time flash
2.5-second OFF
Left lamp flashes.
6-time flash
2.5-second OFF
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
Other
abnormality
An abnormality other than above mentioned is
detected.
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
9
Indoor
damper
When the damper is not located
at the designated position.
Indoor unit
and outdoor
unit do not
operate.
10
5
Left lamp flashes.
4-time flash
2.5-second OFF
Indoor
control
system
When it cannot properly read data in the
nonvolatile memory of the indoor electronic
control P.C. board.
Indoor unit
and outdoor
unit do not
operate.
Outdoor
control
system
When it cannot properly read data in the
nonvolatile memory of the inverter P.C. board
or of the outdoor electronic control P.C. board.
2
Outdoor unit
does not
operate.
Left lamp lights up
Troubleshooting Check Table
NOTE:
Before taking measures, make sure that the symptom reappears for accurate troubleshooting.
OPERATION INDICATOR
Not lighted
Blinking
Lighted
· Flashing of OPERATION INDICATOR lamp (left-hand side lamp)
indicates abnormalities.
Self check table
MFZ-KA25VA MFZ-KA35VA MFZ-KA50VA
Содержание M-SERIES
Страница 6: ...M series C WALL MOUNTED ...
Страница 38: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 36 MUH GD80VB OUTDOOR UNIT ...
Страница 39: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 37 MUZ FD25VA MUZ FD35VA OUTDOOR UNIT ...
Страница 40: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 38 OUTDOOR UNIT MUZ FD50VA ...
Страница 41: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 39 MUZ FD25VABH MUZ FD35VABH OUTDOOR UNIT ...
Страница 42: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 40 OUTDOOR UNIT MUZ FD50VABH ...
Страница 43: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 41 MUZ GE25VA MUZ GE35VA OUTDOOR UNIT ...
Страница 44: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 42 OUTDOOR UNIT MUZ GE25VAH MUZ GE35VAH ...
Страница 45: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 43 MUZ GE42VA OUTDOOR UNIT ...
Страница 46: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 44 MUZ GE42VAH OUTDOOR UNIT ...
Страница 47: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 45 MUZ GE50VA OUTDOOR UNIT ...
Страница 48: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 46 MUZ GE50VAH OUTDOOR UNIT ...
Страница 49: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 47 OUTDOOR UNIT MUZ GE60VA MUZ GE71VA ...
Страница 50: ...WALL MOUNTED Outdoor Unit M series WIRING DIAGRAM WALL MOUNTED C 48 MUZ HC25VA OUTDOOR UNIT ...
Страница 51: ...WALL MOUNTED Outdoot Unit M series WIRING DIAGRAM WALL MOUNTED C 49 OUTDOOR UNIT MUZ HC35VA MUZ HC35VAB ...
Страница 192: ...WALL MOUNTED Inverter Heat Pump M series INSTALLATION PROCEDURE WALL MOUNTED C 190 ...
Страница 199: ...WALL MOUNTED MSC MS MSH Series M series C 197 OPERATION AND ACTUATOR CONTROL WALL MOUNTED MUH MUH ...
Страница 202: ...WALL MOUNTED MSC MS MSH Series M series C 200 OPERATION AND ACTUATOR CONTROL WALL MOUNTED MSH g TIMER OPERATION ...
Страница 271: ...FLOOR STANDING MFZ KA VA Series M series OPERATION FLOOR STANDING C 269 ...
Страница 272: ...FLOOR STANDING MFZ KA VA Series M series OPERATION FLOOR STANDING C 270 f i save OPERATION ...
Страница 274: ...FLOOR STANDING MFZ KA VA Series M series OPERATION FLOOR STANDING C 272 i EMERGENCY TEST OPERATION ...
Страница 289: ...CEILING CASSETTE Inverter Heat Pump M series INSTALLATION PROCEDURE CEILING CASSETTE C 287 ...
Страница 290: ...CEILING CASSETTE Inverter Heat Pump M series INSTALLATION PROCEDURE CEILING CASSETTE C 288 ...
Страница 292: ...CEILING CASSETTE Inverter Heat Pump M series INSTALLATION PROCEDURE CEILING CASSETTE C 290 ...
Страница 293: ...CEILING CASSETTE Inverter Heat Pump M series INSTALLATION PROCEDURE CEILING CASSETTE C 291 ...
Страница 294: ...CEILING CASSETTE Inverter Heat Pump M series INSTALLATION PROCEDURE CEILING CASSETTE C 292 ...
Страница 300: ...CEILING CASSETTE M series CEILING CASSETTE C 298 ...
Страница 496: ...M series C 494 MULTI SYSTEM Inverter Heat Pump MULTI SYSTEMS WIRING DIAGRAM OUTDOOR UNIT MXZ 3B54VA ...
Страница 497: ...M series C 495 MULTI SYSTEM Inverter Heat Pump MULTI SYSTEMS WIRING DIAGRAM OUTDOOR UNIT MXZ 3B68VA ...
Страница 498: ...M series C 496 MULTI SYSTEM Inverter Heat Pump MULTI SYSTEMS WIRING DIAGRAM OUTDOOR UNIT MXZ 4B71VA ...
Страница 499: ...M series C 497 MULTI SYSTEM Inverter Heat Pump MULTI SYSTEMS WIRING DIAGRAM OUTDOOR UNIT MXZ 4B80VA ...
Страница 500: ...M series C 498 MULTI SYSTEM Inverter Heat Pump MULTI SYSTEMS WIRING DIAGRAM OUTDOOR UNIT MXZ 5B100VA ...