4. Troubleshooting
Troubleshooting by alarm code
SMGB0097 rev.0 - 07/2015
119
4
Alarm code
40-40
Incorrect Setting of control of Master/Slave group
Alarm stop reason
The settings of the DIP relative to the function to control the number of units switch are unrecognisable.
PCB monitoring position
PCBa (Setting PCB) DSW3-1~3, DSW6-1~3
PCBa (Setting PCB) RSW1
Set the number of
connected units correctly
Set the DIP switches
correctly
Check wiring
Check PCBc (CPU PCB)
Yes
Yes
Yes
No
No
No
The rotatory switches of PCBA (Setting PCB)
of master module are correctly set
The DIP switches on PCBA (Setting PCB) of
each module are correctly set
The H-LINK transmission wiring between
master module and slave modules is
disconnected or connected wrongly
Alarm code
40-40
Wrong operation of Control of Master/Slave group
Alarm stop reason
Switching of cooling operation order to master module while the system is in operation, when using the function of control
of Master/Slave group.
Retry indication
No indication
Check of thermistors
Check PCBc (CPU PCB)
No
Yes
Switched cooling
operation order during
system operation