Panasonic CU-5E34NBE-C, Technical & Service Manual

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8-2-2. Display of the Error Monitor Lamps
PAM (PFC) CIRCUIT FAILURE
(1) SENSOR OPEN CIRCUIT OR SHORT CIRCUIT
(2) CONTACT FAILURE AT CONNECTOR OR OPEN CIRCUIT AT TERMINAL
CRIMPING LOCATION
(1) HIC OR POWER TR FAILURE (2) OUTDOOR FAN DOES NOT TURN
(3) INSTANTANEOUS POWER OUTAGE (4) SERVICE VALVE NOT OPENED
(5) OUTDOOR FAN FAILURE (6) CONTINUOUS OVER LOAD OPERATION
(7) COMPRESSOR FAILURE (8) HIC BOARD FAILURE
(1) SENSOR FAILURE (2) FAILURE OF ELECTRONIC EXPANSION VALVE
(3) IMPROPER TUBING CONNECTION (4) CONTROL P.C.BOARD FAILURE
(1) VALVE CLOSURE (2) FAILURE OF ELECTRONIC EXPANSION VALVE
(3) OLR LEAD WIRE BREAKING (4) CONTROL P.C.BOARD FAILURE
(1) CONTROL P.C.BOARD OR NOISE FILTER P.C.BOARD FAILURE
(1) EXTERNAL ROM DATA FAILURE (2) CONTROL P.C.BOARD FAILURE
(1) OPERATING CURRENT IS 23A OR HIGHER
(1) PAM CIRCUIT ABNORMAL VOLTAGE
(2) PROTECTION FOR CURRENT (3) HIC BOARD FAILURE
EXTERNAL ROM (OTP DATA)
PEAK CURRENT CUT-OFF
ACTUATION OF COMPRESSOR
OVER LOAD RELAY
ELECTRICAL CURRENT SENSOR
HIC CIRCUIT TROUBLE
ACTUATION OF FREEZE
PROTECTION FUNCTION
SENSOR FOR COMPRESSOR
DISCHARGE TEMP FAILURE
SENSOR FOR HEAT EXCHANGER
TEMP FAILURE
ERR0 ERR1 ERR2
ERROR MONITOR LAMP
DIAGNOSTICS ITEM ERR3
FAILURE (NARROW TUBE)
NO-REFRIGERANT PROTECTION
(1) SERVICE VALVE NOT OPENED (2) SHORTAGE OF REFRIGERANT
COMPRESSOR DISCHARGE
OVERHEAT PREVENTION ACTIVATED (1) ELECTRONIC EXPANSION VALVE FAILURE (2) CAPILLARIES CHOKED
(3) SHORTAGE OF REFRIGERANT
DC COMPRESSOR DRIVE FAILURE
(1) OPEN PHASE (2) COMPRESSOR FAILURE
(3) CONTROL P.C.BOARD OR HIC BOARD FAILURE
DC FAN MOTOR DRIVE FAILURE
(1) CONTACT FAILURE AT CONNECTOR (2) FAN MOTOR FAILURE
(3) CONTROL P.C.BOARD FAILURE
....
OFF
....
Blinking
....
Illuminated
DIAGNOSTICS CONTENTS
SENSOR FOR BRANCH PIPE A
FAILURE (NARROW TUBE)
SENSOR FOR BRANCH PIPE B
FAILURE (NARROW TUBE)
SENSOR FOR BRANCH PIPE C
FAILURE (NARROW TUBE)
SENSOR FOR BRANCH PIPE D
FAILURE (NARROW TUBE)
SENSOR FOR BRANCH PIPE E
FAILURE (WIDE TUBE)
SENSOR FOR BRANCH PIPE A
FAILURE (WIDE TUBE)
SENSOR FOR BRANCH PIPE B
FAILURE (WIDE TUBE)
SENSOR FOR BRANCH PIPE C
FAILURE (WIDE TUBE)
SENSOR FOR BRANCH PIPE D
FAILURE (WIDE TUBE)
SENSOR FOR BRANCH PIPE E
SENSOR FOR OUTDOOR AIR TEMP
FAILURE
FAILURE
FAILURE
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