Amana RST Range User Manual


 
TROUBLE SHOOTING GUIDE
Electronic Range Control (ERC) (Models w/Two Piece Control)
TO AVOID THE RISK OF ELECTRIC SHOCK, PERSONAL INJURY OR DEATH DISCONNECT POWER
BEFORE SERVICING, UNLESS TESTING REQUIRES IT.
41 RC231002 Rev. 3
PROBLEMS POSSIBLE CAUSE CORRECTION
A. Display flashes the
Time-of-Day
1.
2.
3.
Power failure.
Intermittent connection
between E.R.C. and
relay/power supply board.
Defective E.R.C.
1. This is a normal condition w
h
Press the "CLOCK" button
a
Tighten loose connections
o
wiring.
Replace E.R.C.
B. No Display - E.R.C.
totally inoperative
1.
2.
3.
4.
5.
No power to range.
No voltage to relay/power
supply circuit board.
No seconday output drive
voltage from relay/power
supply circuit board.
No input drive voltage to
E.R.C.
Defective E.R.C.
1.
2.
3.
4.
Check house fuse or circuit
b
wall outlet or junction box.
Check for 120 VAC at relay/
terminals E1 and E2. If no
v
range wiring. If voltage is in
d
Check for secondary drive v
o
VAC) at relay board pins J1-
indicated and Steps 1 and
2
relay/power supply circuit b
o
proceed to Step 4.
Check for input drive voltag
e
and J1-4 (approximately 20.
3
indicated, check wiring bet
w
supply circuit board. If volta
g
Step 5.
If Steps 1-4 above check g
o
C. No Display - Range still
operates in bake, broil,
clean functions.
1.
2.
3.
No Secondary output
filament voltage from
relay/power supply circuit
board.
No filament voltage to
E.R.C.
Defective E.R.C.
1.
2.
3.
Check for secondary output
relay/power supply circuit bo
(approximately 3.2 VAC). If
n
replace relay board. If volta
g
Step 2.
Check for filament voltage (a
E.R.C. J1-1 and J2-2. If no
v
wiring between E.R.C. and
r
is indicated, proceed to Step
If Steps 1 and 2 check goo
d