Samsung AC071MN4PKH Service Manual page 63

Wired remote controller (cont.)
Error mode Contents
[Inverter] Compressor
startup error
[Inverter] Total current error/
PFC over current error
OLP Overheat and Comp.
Stop
[Inverter] IPM over current
error
Compressor V limit error
DC LINK over/low voltage
error
[Inverter] Compressor
rotation error
[Inverter] Current sensor
error
[Inverter] DC LINK voltage
sensor error
EEPROM Read/Write error
[Inverter] OTP error
AC ZERO CROSSING SIGNAL
OUT error
Compressor LOCK error
Measure
Check the compressor connection status.
Check the resistance between difference phases of
the compressor.
Check the input power
Check the coolant charging status
Check the normal operation of outdoor fan
Reconfirm the opening of the service valve.
Check for leaks from the connection part of the pipe
and product or from the pipe joint.
Change the outdoor unit location and direction.
Refill the coolant after checking the leaking part.
Reinstall the outdoor unit set.
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
Check the compressor connection status
Check the resistance between difference phases of
the compressor
Check input power
Check AC power connection
Check the compressor connection status
Check the resistance between difference phases of
the compressor
Check EEPROM DATA
Check the normal operation of PCB
Check the input power connection
Check the status of RY21 and R200 in the INVERTER
PCB
-
Check EEPROM DATA
Check the normal operation of PCB
Check the input power status
Check the compressor connection status
Check the resistance between difference phases of
the compressor
4-23
Troubleshooting
Product operation in
error condition
Error type
Outdoor unit/
Compressor/
Indoor unit
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Restart in 3 minutes protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error