Hitachi SAMURAI Series Service Manual page 126
Water cooled water chillers -modular-r134a-screw type
Hide thumbs
Also See for SAMURAI Series:
- Service manual (137 pages) ,
- Service manual (174 pages) ,
- Manual (118 pages)
Table of Contents
Advertisement
4 Troubleshooting
Troubleshooting by alarm code
40-40
Alarm code
Alarm stop reason
The settings of the DIP switch are unrecognisable.
The DIP switches of each PCB are set
The DIP switch settings are recognized
as correct by switch setting check "SERVICE
Check PCB
40-40
Alarm code
Alarm stop reason
A forbidden operation is performed during operation.
Wrong activation
(Remote -> Local)
Wrong activation
(Local -> Remote)
Wrong activation
(Remote operation order
when in local)
Wrong activation
(Cooling -> Heating)
Wrong activation
(Heating -> Cooling)
118
SMGB0120 rev.0 - 11/2017
Incorrect Setting
No
correctly
Yes
MENU"
Yes
(CPU PCB)
c
Incorrect operation
Changed settings from
remote to local during remote
operation
Changed settings from local to
remote during local operation
Operation order from
remote (including option)
input when in local settings (unit
stopped)
Changed settings to heating
during cooling operation
Changed settings to cooling
during heating operation
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Set DIP switches correctly
and reactivate power
The contacts of DIP
switches on the setting
PCB are defective.
Replace setting PCB
Conducting this operation
results in wrong activation
Check PCB
(Settings
A
PCB) and PCB
c
(CPU PCB)
Conducting this operation
results in wrong activation
Check PCB
(Settings
A
PCB) and PCB
c
(CPU PCB)
Conducting this operation
results in wrong activation
Check PCB
(Settings
A
PCB) and PCB
c
(CPU PCB)
Conducting this operation
results in wrong activation
Check PCB
(Settings
A
PCB) and PCB
c
(CPU PCB)
Conducting this operation
results in wrong activation
Check PCB
(Settings
A
PCB) and PCB
c
(CPU PCB)
Advertisement
Table of Contents
Troubleshooting
