Panasonic U-10MF1E8, Руководство по обслуживанию

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5
5 - 3
3-WAY SYSTEM
Trouble Diagnosis
1. Contents of Remote Controller
Switch Alarm Display
ON: Blinking: OFF:
Possible cause of malfunction
Wired
remote
control
display
Wireless
remote controller
receiver display
Operation Timer Standb
y
for heating
Thermistor fault Outdoor unit Compressor 1 (INV) discharge temp. sensor F04
Compressor 2 (constant speed) discharge temp. sensor F05
Compressor 3 (constant speed) discharge temp. sensor F22
Outdoor air temp. sensor F08
Heat exchanger 1 liquid temp. sensor F07
Heat exchanger 1 gas temp. sensor F06
Compressor intake temp. sensor (suction temp) F12
High-pressure sensor F16
Low-pressure sensor F17
Heat exchanger 2 liquid temp. sensor F24
Heat exchanger 2 gas temp. sensor F23
Heat exchanger 3 liquid temp. sensor F26
Heat exchanger 3 gas temp. sensor F25
Ceiling panel connection failure <<P09>>
Protective
device Indoor unit
Thermal protector in indoor unit fan motor is activated. <<P01>>
Float switch is activated. <<P10>>
Fan inverter protection function activated. <<P12>>
Oxygen (O
2
) gas sensor activated. P14
Outdoor unit
Compressor 1 (INV) discharge temp. trouble P03
High-pressure switch P04
Reverse phase (missing phase) detected. P05
DCCT, ACCT overcurrent (compressor less than 80 Hz) P16
Compressor 2 (constant speed) discharge temp. trouble P17
Compressor 3 (constant speed) discharge temp. trouble P18
Outdoor unit fan trouble P22
DCCT, ACCT overcurrent (80 Hz or more) P26
Start failure caused by compressor wire missing phase, DCCT
failure, or similar problem (INV compressor start failure).
P29
Failure of nonvolatile memory IC (EEPROM) on indoor unit control PCB
F29
Failure of nonvolatile memory IC (EEPROM) on outdoor unit control PCB
F31
Protective
device Overload current detected.
Compressor 2 (constant speed) H11
Compressor 3 (constant speed) H21
Lock current detected.
Compressor 2 (constant speed) H12
Compressor 3 (constant speed) H22
No current detected when
compressor was ON.
Compressor 1 (INV) H03
Compressor 2 (constant speed) H13
Compressor 3 (constant speed) H23
Discharge temp. sensor trouble
Compressor 2 (constant speed) H15
Compressor 3 (constant speed) H25
Outdoor unit protection Low-pressure trouble H06
Outdoor unit protection HIC trouble alarm H31
Low oil alarm H07
Connection failure of oil detection sensor Compressor 1 (INV) H08
Compressor 2 (constant speed) H27
Compressor 3 (constant speed) H28
Fusing of electromagnetic contact (Current detected when compressor was OFF)
CHECK
only blinking
(No display changes)
Automatic backup operation
<< >> alarm indication: Does not affect the operation of other indoor units.
< > alarm indication: In some cases may affect the operation of other indoor units.
Timer lamp blinking
Operating and timer
lamps blinking
altemately
Timer and heat
ready lamp blinking
altemately
Operating and heat
ready lamp blinking
altemately
Operating and timer
lamp blinking
simultaneously
Operating and timer
lamp blinking
simultaneously
SM830188-01̲3WAY.indb 3 SM830188-01̲3WAY.indb 3 2011/11/15 23:04:21 2011/11/15 23:04:21