Nitta PP1535-1, Operation Manual

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9. Troubleshooting
Problem Cause Solution
No display on the
temperature controller
The power plug has been
disconnected.
Connect the power plug.
The fuse has blown out. Replace the fuse.
Is power supplied to the
outlet?
Yes
Failure of the temperature controller
or disconnection of power cable or
internal wiring is suspected.
* Please contact your local
distributor, agent in your area or
our company.
No Supply power to the outlet.
The temperature
controller gives a
display starting with AL.
(AL01 - AL99)
Defective data on temperature
controller
Disconnect the power plug once and
connect it again.
* If the alarm display does not
disappear, failure on the
temperature controller is
suspected.
* Please contact your local
distributor, agent in your area or
our company.
Temperature cannot be
set.
Setting change is not possible for
6 sec. right after power ON. Wait 6 sec. or more to make a
setting.
The para and other buttons
were pushed right after the preset
value was changed.
To fix the preset value, avoid
pushing buttons for 2 sec. or more.
Other than the above:
Failure of the temperature controller
If setting is not possible even by the
above methods, failure on the
temperature controller is suspected.
* Please contact your local
distributor, agent in your area or
our company.
Cannot be heated to the
set temperature. Does power supply not match
the specification?
Yes Use the correct power supply.
No
Failure of the temperature controller
or disconnection of internal wiring is
suspected.
* Please contact your local
distributor, agent in your area or
our company.