Part
12470
Rev. 2 3/25/99
24
a.
Current output test circuit is open.
b.
Fuse F2 has failed.
c.
CT is open or CT circuit connector has come loose at the printed circuit
board (PCB).
3.
Power on, no instruments lighted:
a.
Power ON/OFF Switch (CB1) has failed.
b.
Fuse F1 has failed.
c.
Power supply assembly or RF1 filter has failed.
4.
Power on, instruments lighted, unit will not initiate:
a.
Improper timer stop mode selection for desired test.
b.
Output test circuit open.
c.
OUTPUT MODE Switch assembly (Maintain/OFF/Momentary) is faulty or
its connector has come loose from the PCB.
d.
Triac failure.
5.
Same as above, will not initiate in N.O. or N.C. Contacts mode:
a.
Faulty test leads.
b.
Incorrect test scheme for stop mode selected.
c.
Contacts being monitored are in incorrect position for stop mode selected.
d.
Contacts monitoring circuit has failed. Commonly caused by connecting
contacts binding posts to an energized circuit.
e.
Contacts binding post connector has come loose at PCB.
6.
Upon completion of output circuit, current appears on ammeter, timer does not
initiate:
a.
Initiate switch has been left in Maintain position after a test has been
completed. The OUTPUT MODE Switch must always be returned to the off
position when a test is completed or discontinued.
