Friedrich FPHSR36A3B User Manual

74 PB
TROUBLESHOOTING
Error Code 16 Cooling Mode
Error code 16 cooling mode
Anti-freeze protection indoor unit
Is indoor heat
exchanger iced up?
Refrigeration system protection,check the
air inlet and outlet of indoor unit
Check the coil
sensor right or not
Change the coil
sensor
Change the indoor
board
no
yes
yes
no
Error code 16 heating mode
Overload protection indoor unite
Is indoor heat
exchanger overheating?
Refrigeration system protection,check the air
inlet and outlet of indoor unit
Check the coil sensor of
indoor unit right or not
Change the indoor
board
Change the coil sensor
no
yes
yes
no
Error 21 (cooling mode)
Outdoor coil anti-overload protection
Is the outdoor condensor
overheating?
Check the coil sensor of
outdoor unit right or not
Change the outdoor control board
Change the coil sensor
Refrigeration system protection,check
the air inlet and outlet of outdoor
unit
yes
no
yes
no
Error code11
Outdoor EEPROM
Fault
reconnect the EEprom
Change the EEPROM
Check if the EEPROM
no
yes
is loose?
Fig. 710
Error Code 16 Heating Mode
Error Code 21 Cooling Mode
Error Code 11 EEPROM Fault

Friedrich FPHSR36A3B Specifications

General

Brand	Friedrich
Model	FPHSR36A3B
Category	Air Conditioner
Language	English