62
21. Maintenance and troubles
21.1
●
Cleaning
When the front panel or the case becomes dirty, wipe it with soft cloth.
For heavy dirt, wipe it lightly with the soft cloth wetted with the neutral cleaner thinned by
water, and finish the cleaning with dry cloth. Do not use organic solvent like benzene or
paint thinner as they may deform or discolor the case.
21.2
●
Failure symptom
When the tester is supposed to be faulty, please check the following points before
requesting the repair of it.
Symptom
Check points
Although the power is turned
ON, display does not light up.
●
Isn’t the power supply plug of socket?
●
Isn’t the fuse burnt out?
Replace fuse referring to the art. 21.3 (P62).
is displayed.
●
Interlock functions.
Cancel the interlock referring to the art. 15.3 (P53).
Key is not operable.
●
Isn’t the
KEY LOCK
lamp lit up?
Cancel the key lock referring to the art. 12 (P46)
Test can not be started, though
START
switch is pressed.
●
Isn’t the
READY
lamp lit up?
●
Isn’t the
REMOTE
lamp lit up?
START
switch is disabled during the remote
control.
Refer to the article 14.6 (P51) for remote control.
21.3
●
Replacement of fuse
When the fuse is replaced, make sure to use one of the rated fuses listed below.
The fuse is attached as one of the accessories.
Sort
Power source voltage
Rate of fuse
Recommendation:
It is recommended to use
the lash-resistive type fuse
TWM of Fuji Tanshi
Kogyou made.
Standard
100V AC
125V 10A
Option
115V AC
200V AC
250V 5A
220V AC
240V AC
Do not use the fuse other than those rated above.