Crane Electronics Ltd PO Manual De Usuario
29
OPERATING INSTRUCTIONS Section 3
TROUBLESHOOTING GUIDE
The following guide gives some of the possible problems which could be encountered
with the ProWrench Opta, the possible causes, and the suggested remedial action.
Fault
LCD panel does not come on at power up.
Possible Cause
A
Batteries not fitted correctly or not secured.
B
Batteries discharged.
Action
A
Ensure the batteries are seated properly and the polarity is correct.
Ensure the battery compartment cover is screwed down correctly.
See page 10.
B
Change the batteries.