Toshiba MMU-AP0151MH Cassette Player User Manual


 
56
Check code
Main
remote
controller
H07
H08
H14
Outdoor 7-segment display
Check code
H07
H08
H14
Auxiliary code
01: TK1 sensor error
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error
Detected
position
I/F
I/F
I/F
Check code name
Protection for oil
level drop detection
Oil level detective
temp sensor error
Compressor 2 case
thermo operation
Status
All stop
All stop
All stop
All stop
All stop
All stop
Error detection condition
The operating compressor detected oil shortage
continuously for 2 hours.
Resistance value of sensor is infinite or zero.
(Open/Short)
Resistance value of sensor is infinite or zero.
(Open/Short)
Resistance value of sensor is infinite or zero.
(Open/Short)
Resistance value of sensor is infinite or zero.
(Open/Short)
Compressor 2 case thermostat operated.
Check item (position)
<Check all the outdoor units in the corresponding line.>
Check full opening of service valve of balance pipe.
Check connection and installation of TK1, TK2, TK3, and TK4 sensors.
Check characteristics of TK1, TK2, TK3, and TK4 resistance values.
Check gas leak and oil leak in the same line.
Check refrigerant stagnation in compressor.
Check error of SV3A, SV3B, SV3C, SV3D, and SV3E valves.
Check clogging of oil separator oil return circuit.
Check clogging of oil-equation circuit.
<Check clogging of oil equation pipe between compressors.>
Check TS1, TS2 sensors (Miswiring and misinstallation of TS1 and TS2)
Check leakage of SV6 circuit.
Check FS unit.
Leakage of check valve of bypass between liquid pipe and discharge gas pipe
Mispiping of discharge/suction gas connection
Miswiring of SVD/SVS valve/Misinstallation of coil
Check whether there is no setup missing of indoor unit in all cooling operation mode
Check connection of TK1 sensor connector.
Check characteristics of TK1 sensor resistance value.
Check outdoor P.C. board (I/F) error.
Check connection of TK2 sensor connector.
Check characteristics of TK2 sensor resistance value.
Check outdoor P.C. board (I/F) error.
Check connection of TK3 sensor connector.
Check characteristics of TK3 sensor resistance value.
Check outdoor P.C. board (I/F) error.
Check connection of TK4 sensor connector.
Check characteristics of TK4 sensor resistance value.
Check outdoor P.C. board (I/F) error.
Check compressor 2 case thermo circuit. (Connector, cable, P.C. board)
Check full opening of service valve. (Gas and liquid side)
Check outdoor PMV clogging. (PMV1, 2)
Check SV42 valve leak.
Check miscabling/misinstallation of SV41 and SV42.
Check valve opening of indoor PMV.
Check 4-way valve error.
Check refrigerant shortage.
Check SV11 circuit. (Wiring, OFF at one side only)
Check mispiping of discharge gas/suction gas main pipe.
Check Flow selector unit.
Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS.)
Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between
FS unit and indoor unit, and connection of connectors.
Check miswiring of SVS/SVD valves.