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FDC-HKX
915
4
Error display
:
e2
[Duplicated indoor unit No. or More than 49 indoor unit are connected.]
5
Error display
:
e6
[Defective indoor unit heat exchanger thermistor]
6
Error display
:
e7
[Detective Return air thermistor]
Indoor unit
Red LED
Green LED
1 time flash
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Indoor unit
Red LED
Green LED
1 time flash
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Indoor unit
Red LED
Green LED
1 time flash
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Is the indoor unit
No. duplicated or
More than 49 indoor
unit are connected?
Correction of unit No.
setting
YES
(1)
(2)
NO
Defective indoor unit
PCB Replacement
(defective unit number circuit)
15
10
5
0
10
30
40
20
50
5k
Ω
at 25˚C
Temperature (˚C)
Note (1) 22.5 k
Ω
at -6˚C
Return air thermistor (Th
1-
A)
Indoor unit heat exchanger thermistor
(Th
1-
R)
Resistance temperature characteristics
Resistance (k
Ω
)
YES
YES
NO
NO
Is the indoor
unit heat exchanger
thermistor connector
connection OK?
Correction
Are characteristics
of indoor unit heat
exchanger thermistor OK
or is there any
broken wire?
Defective indoor unit PCB Replace-
ment (Defective indoor unit heat
exchanger themistor input circuit)
Defective indoor unit heat exchanger
themistor Replacement
YES
YES
NO
NO
Is the return air
thermistor connector
connection OK?
Correction
Is the return air
thermistor characteristics
OK or is there a
broken wire?
Defective return air
thermistor Replacement
Defective indoor unit PCB
Replacement (Defective return air
thermistor input circuit)
Notes (1) When correcting the unit number, check again the pairing of indoor/
outdoor units (same Number assigned to coupled units) is correct.
(2) If it is normalized by changing PCB, judge the unit number input
circuit is defective.
Note (1) Characteristics as per the above
graph.
Содержание SRRM40HENG-L
Страница 1: ...MITSUBISHI DAIYA 2000 AIR CONDITIONING HEAT PUMP MACHINERY HANDBOOK ...
Страница 52: ...50 SRK GZ MEMO ...
Страница 94: ...92 SRK H MEMO ...
Страница 104: ...102 102 SRK C MEMO ...
Страница 180: ...178 SCM HG 4room MEMO ...
Страница 222: ...220 SCM HG 2room MEMO ...
Страница 234: ...232 SCM CG 2room MEMO ...
Страница 266: ...SCM C 264 MEMO ...
Страница 406: ...404 FDT N C MEMO ...
Страница 442: ...440 FDEN H MEMO ...
Страница 470: ...468 FDEN C MEMO ...
Страница 504: ...502 FDKN H MEMO ...
Страница 580: ...578 FDR H MEMO ...
Страница 698: ...696 V MULTI Models FDR258 A 308 A ...
Страница 724: ...722 V MULTI MEMO ...
Страница 1094: ...1092 FDC HKXR MEMO ...