Instructions / Assembly
Evaporator high temperature protection (for heating mode)
Error
OK
Check if the Strainer is blocked
Check the connection between sensor and PCB
High temp. protection of Indoor evaporator
If properly connected, then
replace the sensor or PCB
OK
Check if evaporator surface is blocked in the system
OK
Error
Clean the evaporator
Check PCB
Error
Error
Replace the Strainer
Check the fan speed
Error
Replace PCB
Check fan motor
OK
Error
Replace fan motor
Evaporator low temperature protection (for cooling mode)
Error
OK
Check to see if the Strainer is blocked
Check the connection between sensor and PCB
High temp. protection of Indoor evaporator
If properly connected, then
replace the sensor or PCB
OK
Check if evaporator surface is blocked in the system
OK
Error
Clean the evaporator
Check PCB
Error
Error
Replace the Strainer
Check the fan speed
Error
Replace
PCB
Check fan motor
OK
Error
Replace fan motor
INDOOR UNIT
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