Four Directions Cassette Type - Samsung AC026RN1DKG Service Manual

Troubleshooting

4-2-3 Four directions cassette type

Error Mode
Operation Defrost Timer
X X
X X
X
X X
X
X
X
X X
X
X X
X
4-14
Filter
X Power reset
X Error of room temperature sensor in the indoor unit (Open/Short)
X Error of heat exchanger IN/OUT sensor in the indoor unit (Open/Short)
X Error of fan motor in the indoor unit
Error of the outdoor temperature sensor
X Error of the condenser temperature sensor
Error of the discharge temperature sensor
No communication for 2 minutes between indoor and outdoor unit
X
(communication error for more than 2 minutes)
Error of outdoor unit
Detection of the float switch
EEPROM error
EEPROM option error
Outdoor valve clogging error.
MDS (Motion Detecting Sensor) Error
Error due to connecting outdoor units
that do not support the Wind-Free function
Cause
Samsung Electronics
M
• Check indoor temperature sensor
• Check indoor temperature sensor'
• Check EVA IN/OUT sensor connec
• Check EVA IN/OUT sensor's resista
• Check the connection of motor con
• Check the speed of the motor fan
• Check indoor temperature sensor
• Check indoor temperature sensor'
• Check connection between indoor
communication cables
• Check error occurred with outdoor
• TERMINAL Block thermal FUSE er
• Check float switch connection.
• Check whether the drain has been
• Check if there is damage with EEP
• Check the indoor model to set the
• Inspection for match between indo
• High pressure check valve cloggin
• Check MDS
• Check outdoor main PBA S/W Che