Hitachi RCD-0.8FSN3 Installation And Operation Manual page 18

TROUBLESHOOTING
11.1 CONTACT DISTRIBUTOR
If the problem is not resolved even after checking the previous items or if other troubles not mentioned in the previous pages occur,
stop using the product and contact your distributor or contractor.
C A U T I O N
The protection devices (fuse, breaker, ELB, etc) are frequently activated
or the main power source switch does not work.
Water leakage from indoor unit.
The indoor unit number, the alarm code, the unit model code and the
connected number of indoor units are displayed on LCD.
In case that the plural indoor units are connected to one remote control
switch, the indoor unit information is indicated on LCD in number order.
So select the object indoor unit on LCD to display the information.
Check the details on LCD and contact your distributor.
Alarm Code:
MODEL : b .02
SEL. OP MODE
Inform the following items to a distributor.
1 Unit model
2 Content of trouble
3 Alarm code number on LCD.
10 PMML0416A rev.0 - 12/2015 - P5415720
Trouble
Indoor unit number
01-02
22
ALM RST
ADDR
ENT.
OK
Action before contact
Turn OFF the power source.
Stop the operation.
Refer to the alarm code table.
Contact your distributor about the indication on the remote control
switch in detail.