14
HINT
ENGLISH
HINT
Check list before calling for service
When any malfunction occurs to the product, check the following list before contacting the serv-
ice center.
Symptoms
Check
Action
All products keep turning
off.
The alarm is displayed.
Check the source of the DI
port.
Product is reset in the
middle of a night.
It is automatically reset at
AM 2:05 every Monday.
Equipment is not con-
trolled.
Is the equipment in
‘locked’ status?
Check if lock function is set, and clear
the lock function.
Error display appears on
the equipment icon.
Is the equipments with
the error message con-
nected properly?
If the equipment are not properly con-
nected, error is displayed.
Check the equipment connection sta-
tus.
Lock cannot be set.
Cannot use temperature
limit setting.
Cannot user auto
Registration function
Is the product set up as
'Slave' status?
In slave state, you cannot use each
equipment’s lock setting, set temp
range, 2set point, IDU 2set, auto
search device function, energy report
and energy save mode.
Web program is
stop.
-
After exiting the running program, try
again.
Time is changed without
setting manually.
Is daylight saving time
set?
Please turn off daylight saving time.
