DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
104
Table 5 Main board dual 8 numeral tube Display Codes for
S series Outdoor Unit
Note:This table is only applicable to S series models (ASGE-**AI S or ASGE-**AI-3 S).
Malfunction Item
Outdoor unit display of
dual 8 numeral tube
Indoor Unit Display
DC busbar overvoltage protection PH E5
Overheat protection of radiator P8 E5
Current sensor malfunction Pc E5
Carbon fin sensor malfunction P7 E5
Compressor current protection P5 E5
Low voltage protection PL E5
Compressor startup failure Lc E5
PFC abnormality Hc E5
Compressor clogged LE E5
Drive resetting P0 E5
The compressor motor in loss of synchronization H7 E5
Missing phase, Speed discard Ld E5
Malfunction from driving part to main-control
communication
P6 E5
IPM module protection H5 E5
Compressor over speed LF E5
Sensor connection protection Pd E5
Temperature drift protection PE E5
AC contactor protection P9 E5
High-pressure protection E1 E1
Low-pressure protection E3 E3
Exhaust protection E4 E4
Compressor overload protection H3 E5
Communication malfunction (among indoor unit,
outdoor unit and wired controller)
E6 E6
Outdoor ambient temperature sensor malfunction F3 F3
Coil pipe intermediate temperature sensor malfunction
of outdoor unit
F2 F2
Exhaust temperature sensor malfunction F4 F4
Defrosting (non-malfunction) 08 defrost
Oil return (non-malfunction) 09 no display
Mismatch of indoor unit model LP no display
AC current protection (input side) PA E5
Driver board environment temperature sensor
malfunction
PF E5
AC input voltage abnormality *
PP E5
Electrification loop malfunction *
PU E5
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