Panasonic S-160PE1R5B, Технические данные и руководство по обслуживанию

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5-23
5
P13 Alarm Valve Open
Error Detection Method
Error Diagnosis
1.
2.
Detection is performed only in the test run. When once detected or the test run finished without any error,
the second detection will not be done.
In case of forgetting to open a valve, P04 (high-pressure switch operational alarm) is occasionally preceded due to the
following conditions.
The status of small temperature change of the operating indoor unit continues for the first 7 minutes since the
cooling test run has started.
•
1-1
2-1
Yes
No
1 Service
valve
Open the service
valve.
2-1
2 Adjustment
to
refrigerant
change
3 Blockage
in
refrigerant
circuit
3-1
Avoid clogging.
3-2 Yes
No
Are the tubes clogged?
Not additional refrigerant charged
3-1
Yes
No
Additional
refrigerant charge
3-2
3-3
Replace the
electronic control
valve.
Yes
No
Is the outdoor unit’s electronic control valve operating correctly?
(Check for debris clogging the electronic control valve, a problem
with the electronical coil and/or the control PC board.)
3-3 As the second detection is not done, restart and see what happens if there is no error.
Service valve inside the outdoor unit closed
5 - 45
4. Mini VRF System Alarm Codes
Mini VRF SYSTEM
Trouble Diagnosis
1-1
3-1
2-1 Yes
No
1 System
configuration
Is the indoor EEPROM setting, item code 0B, on the indoor unit’s
control PC board set to 0001?
2-1
After correcting the
setting, 3-1
4-1
Yes
No
2 Indoor unit’s
EEPROM
setting
P14 O
2
Sensor Detect
Error Detection Method
Error Diagnosis
It is judged an error whenever the outdoor unit receives the signal “O
2
Alarm Occurred” from the indoor unit. •
With the indoor unit’s EEPROM setting (item code 0B) set to 0001, the EXCT input was shorted. •
1.
2.
5
Is an O
2
sensor being used?
Correct wiring.
4-1 Yes
No
Is the indoor EXCT socket (wire) shorted? 3-1
3
4
Indoor EXCT
wiring
4-3
4-2 Yes
No
Is the alarm triggered if the indoor EXCT socket (wire) is
disconnected, and the power is reset?
Since there is no error, see what happens.
4-1
4-2
4-3 Indoor unit control PC board error Replace PC board.
Indoor unit’s
control
PC board
SM830277-00_大洋州向け R32シングル_TD&SM.indb 23 19/02/28 13:37:23