5-6
5
Symptoms and Parts to Inspect
Remote
controller
alarm display
Alarm
contents
Judgement conditions
Eliminating
condition of alarm
Judgement and correction
P03
Abnormal discharge
temperature error
• Discharge temp.
detected at or
above the specified
value
Stops when temp. exceeds
106 .
Alarm output on 5 pre-trips
1. Check refrigerant cycle (gas
leak).
2.Trouble with electronic
expansion valve
3.Check discharge
temperature sensor (TD).
P05
CT disconnected
or AC power supply
error
The current value transmitted
from the microcomputer on the
outdoor unit control substrate is
low.
When no AC power input for
more than 30 seconds to 5
minutes : Single alarm
Check outdoor unit control
PCB.
1.
2. Lack of reactor wire
P15
Insufficient gas level
detected.
• Discharge temperature is 95
or higher.
• Electronic expansion valve is at
Step 480.
1.Check refrigerant cycle (gas
leak).
2.Trouble with electronic
expansion valve
3.Check outdoor unit valve
opening.
L18
4-way valve
operation failure
• Judged after heating
operating for
5 minutes
consecutively.
The indoor unit heat exchanger
temperature drops even though
the compressor is switched on
during the heating mode:
To +20
Pre-trip 1 time
1. Check 4-way valve.
2. Check 4-way valve wiring.
3. Check outdoor unit control
PCB.
P04
P22
P29
H31
High-pressure
protection error
High pressure switched
ON
(Alarm is output when switch
opened.) Pre-trip 4 times.
OFF
Recovery at restart
Recovery at restart
Recovery at restart
Recovery at restart
Recovery at restart
Recovery at restart
Overload operation of
refrigerant cycle
Outdoor unit fan
motor trouble
• Inverter protection
circuit was
activated, or lock
was detected at
outdoor unit fan
motor.
Inverter stops after alarm is
detected. Pre-trip 10 times
1.Position detection trouble.
2.Outdoor unit fan motor over-
current Protection circuit is
activated.
• Check outdoor unit control
PCB.
• Refer to outdoor unit fan
judgement methods.
Lack of INV
compressor wiring,
INV compressor
actuation failure,
DCCT failure
HIC trouble
Inverter stops after alarm
is detected. Alarm is output
when inverter stops (pre-trip)
consecutively 10 times.
Pre-trip consecutively 10 times
Recovery at restart
Temperature dropped
1.Stops immediately even
when operations restarted.
• Layer short on the
compressor
2.Check HIC circuit.
• Wiring trouble
Heat sink and PCB (HIC)
• Contact trouble
When the above has continued
for 1 minute. Indoor air sucking
due to body thermostat max
(E1 or E2) - TA < 4
< C1
SM830211-07̲PAC-i.indb 6
SM830211-07̲PAC-i.indb 6
2013/09/07 10:41:23
2013/09/07 10:41:23
Содержание U-100PEY1E5
Страница 536: ... MEMO 1 526 ...
Страница 540: ... MEMO 2 4 ...
Страница 543: ...3 3 3 3 1 Indoor Units 4 Way Cassette 60 60 Type S 36PY1E5 S 45PY1E5 S 50PY1E5 Electric Wiring Diagram 䡵 ...
Страница 547: ...3 7 3 3 1 Indoor Units Wall Mounted Type S 36PK1E5 S 45PK1E5 S 50PK1E5 S 60PK1E5 S 71PK1E5 Electric Wiring Diagram 䡵 ...
Страница 549: ...3 9 3 3 1 Indoor Units Ducted Type S 36PN1E5 S 45PN1E5 S 50PN1E5 Electric Wiring Diagram ...
Страница 550: ...3 10 3 3 1 Indoor Units Ducted Type S 60PN1E5 S 71PN1E5 S 100PN1E5 S 125PN1E5 S 140PN1E5 Electric Wiring Diagram ...
Страница 551: ...3 11 3 3 2 Outdoor Units Single phase U 50PE1E5 ...
Страница 552: ...3 12 3 3 2 Outdoor Units Single phase U 50PE1E5 ...
Страница 553: ...3 13 3 3 2 Outdoor Units Single phase U 60PE1E5 U 71PE1E5 䡵 ...
Страница 554: ...3 14 3 3 2 Outdoor Units Single phase U 100PE1E5 U 125PE1E5 U 140PE1E5 䡵 ...
Страница 555: ...3 15 3 3 2 Outdoor Units Single phase U 60PEY1E5 U 71PEY1E5 ...
Страница 556: ...3 16 3 3 2 Outdoor Units Single phase U 60PEY1E5 U 71PEY1E5 ...
Страница 558: ...3 18 3 3 2 Outdoor Units 3 phase U 71PE1E8 ...
Страница 559: ...3 19 3 3 2 Outdoor Units 3 phase U 100PEY1E8 U 125PEY1E8 ...
Страница 560: ...3 20 3 3 2 Outdoor Units 3 phase U 100PE1E8 U 125PE1E8 U 140PE1E8 U 140PEY1E8 ...
Страница 594: ...4 34 4 HIC PCB A746895 U 60PE1E5 U 71PE1E5 CN VDC U P V W N CN VDC 4WAY Valve CN 20S ...
Страница 595: ...4 35 4 HIC PCB continued A746846 U 100PE1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 596: ...4 36 4 HIC PCB continued A746847 U 125PE1E5 U 140PE1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 597: ...4 37 4 HIC PCB A746846 U 100PEY1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 598: ...4 38 4 HIC PCB continued A746847 U 125PEY1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 602: ...4 42 4 HIC PCB A747248 U 100PEY1E8 U 125PEY1E8 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Страница 738: ... MEMO 8 34 ...
Страница 739: ...201309 ...