A. No displays or indicators lit.
Unit unplugged.
Plug unit in.
Store's circuit breaker blown.
Reset breaker.
Defective transformer.
Replace Power Cord.
Circuit inoperable.
Replace Main Circuit Board.
B. Absence of Audio Alarm.
Speaker inoperable.
Replace Speaker.
Circuit inoperable.
Replace Main Circuit Board.
C. Unit will not enter program
All channels are still counting.
Wait until channels are in stop
mode. Display does
mode.
not show "Prog".
Logo Switch inoperable.
Replace Switch Panel.
D. Unit enters program mode.
The channel is still counting.
Wait until channel is in stop mode.
Display shows "Prog", but
Arrow Switch inoperable.
Replace Switch Panel.
cannot change times.
Circuit inoperable.
Replace Main Circuit Board.
E. Unable to start, stop, or store
Circuit inoperable.
Replace Switch Panel. If
timer presets in program mode.
problem persists, replace Main
Missing or abnormal characters
Circuit Board.
in displays.
F. “88:88” flashes and beeps
Timer is in test mode
Unplug, hold up and down arrows
in display
while plugging in, display will
change to “----”, indicating timer is
in operate mode.
TROUBLESHOOTING GUIDE
4
CAUSE
SOLUTION
PROBLEM
Printed in USA 3/06 © 2006
741-501revA
PART LIST
ITEM
PART NUMBER
DESCRIPTION
1
740-306
Front Bezel
3
740-321
Support Plate
6
541-135
S h i m
7
88-653-2-4S
Speaker
8
69-080
Nut
9
76-001
Screw
1 0
88-591
Power Inlet
11
85-101-04S
Power Supply PCB
1 2
740-284S
Main PCB
1 3
740-312
Insulator
1 4
740-311
Rear Cover
1 5
735-241S
Mounting Bracket
1 6
740-048S
Knob (Pkg. Of 2)
ITEM
PART NUMBER
DESCRIPTION
17&18
735-240S
Switch Panel Assy.
1 9
94-301
Label (N/A)
2 0
86-226
Spacer
2 1
73-002
Nut
2 2
76-740
Screw
2 3
76-041
Screw
2 4
69-079S
Rivets (Pkg. Of 2)
2 5
73-021
Nut
2 6
79-020
Washer
2 7
79-154
Washer
*
72-200-1S
Line Cord (CE)
*
72-200-2S
Line Cord (GB)
*
NOT SHOWN
