127
Troubleshooting
Alarm
Code
02
Activation of Protection Device in Outdoor Unit
● The RUN indicator (Red) is ashing
● The indoor unit number, the alarm code, the unit model code and the connected number of indoor units are displayed on
LCD. Meanwhile, the indoor unit number and the alarm code are displayed on the 7-segment of outdoor unit PCB.
★
This alarm code is indicated when the high pressure switch (PSH) is activated during the compressor
operation .
Check activation of the following safety devices. Remove the cause after checking.
High Pressure Switch (PSH): 4.15MPa
Model
High Pressure Switch
(Connector No.)
PSH1
(PCN2)
PSH2
(PCN16)
Single compressor ○ -
Dual compressor ○ ○