Samsung Generation 6 - Page 77

Heat Pump Installation Guide
77
Error
Code
Contents Measure Product op. in
error condition
Error Type
Outdoor unit /
Comp. / Ind. unit
440
Heating operation
blocked
Check the operation setting state
Check temperature sensor
Operation o Self diagnostic
error
458
Outdoor fan 1 error Check input power connection status
Check the connection status between the
motor and outdoor unit of PCB
Check indoor/outdoor fuse
Operation o Self diagnostic
error
461
[Inverter] Compressor
startup error
Check the compressor connection status
Check the resistance between dierent
phases of the compressor
Operation o Outdoor unit
protection control
error
462
[Inverter] Total current
error / PFC over current
error
Check the input power
Check the coolant charging status
Check the normal operation of outdoor fan
Operation o Outdoor unit
protection control
error
464
[Inverter] IPM over cur-
rent error
Check coolant charging
Check the compressor connection status and
normal operation
Check the obstacles around the indoor and
outdoor units
Check whether the outdoor unit service valve
is open
Check whether the indoor/outdoor installation
pipe/wiring are correct
Operation o Outdoor unit
protection control
error
465
Compressor V limit error Check the compressor connection status
Check the resistance between dierent
phases of the compressor
Operation o Outdoor unit
protection control
error
466
DC LINK over/low
voltage
Check input power
Check AC power connection
Restart in 3
minutes
Outdoor unit
protection control
error
467
[Inverter] Compressor
rotation error
Check the compressor connection status
Check the resistance bettwen dierent phases
of the compressor
Operation o Outdoor unit
protection control
error
468
[Inverter] Current sensor
error
Check EEPROM DATA
Check the normal operation of PCB
Operation o Outdoor unit
protection control
error
469
[Inverter] DC LINK volt-
age sensor error
Check the input power connection
Check the status of RY21 and R200 in the
INVERTER PCB
Operation o Outdoor unit
protection control
error
471
[Inverter] OTP error Check EEPROM DATA
Check the normal operation of PCB
Operation o Outdoor unit
protection control
error