100
THE UPPER LAMP
OF OPERATION INDICATOR LAMP
ABNORMAL POINT
(FAILURE MODE)
CONDITION
REMEDY
Not lighted
Normal
-
-
1-time flash every 0.5-second
Room temperature thermistor
The room temperature thermistor short
oropen circuit is detected every 8
seconds during operation.
Refer to the characteristics of the room
temperature thermistor (10-7.).
2-time flash every 2.5-second OFF
Indoor coil thermistor
The indoor coil thermistor short or open
circuitis detected every 8 seconds during
operation.
Refer to the characteristics of the main
indoor coil thermistor, the sub indoor coil
thermistor (10-7.).
3-time flash every 2.5-second OFF
Serial signal
The serial signal from outdoor unit is not
received for a maximum of 6 minutes.
Refer to 10-6. “How to check miswiring
and serial signal error”.
11-time flash every 2.5-second OFF
Indoor fan motor
The rotational frequency feedback signal
is not emitted for 12 seconds after the
indoor fan motor is operated.
Refer to 10-6. “Check of indoor fan
motor”.
12-time flash every 2.5-second OFF
Indoor control system
It cannot properly read data in the
nonvolatile memory of the indoor
electronic control P.C.board.
Replace the indoor electronic control
P.C. board.
FAILURE MODE RECALL M SERIES
- INDOOR UNIT - MONOSPLIT
MITSUBISHI ELECTRIC
/ DIAGNOSTIC
Содержание M-SERIES
Страница 1: ...Practical installation guide DX ...
Страница 2: ......
Страница 3: ......
Страница 5: ...3 ...
Страница 37: ...35 ...
Страница 39: ...37 MITSUBISHI ELECTRIC COMMERCIAL ...
Страница 49: ...47 ...
Страница 61: ...59 MITSUBISHI ELECTRIC REPLACE TECHNOLOGY ...
Страница 75: ...73 MITSUBISHI ELECTRIC REPLACE TECHNOLOGY COMMERCIALE ...
Страница 76: ...74 Ventilation ...
Страница 77: ...75 MITSUBISHI ELECTRIC VENTILATION ...
Страница 111: ...109 ...
Страница 118: ......
Страница 119: ......