51
[16] Suction temp. too high
If sensor terminal is fixed well
If sensor resistor
/charactenstic is proper
If PCB terminal is well
If the system is lack
of refrigerant or leak
Reconnect
Replace sensor
Replace PCB
Charge refrigerant and repaired the leakage
Check if the total indoor
units capacity is more than
150% of the outdoor unit
Check if the capacity dip
switch of indoor unit is right
Change indoor total
capacity or change a
bigger outdoor unit
Change the indoor
capacity dip switch
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
[17] Capacity overmatch
