Scotsman NM1250R Service Manual page 39

ELECTRONIC CONTROL TESTER
Water Level
1. Unplug "water sen" connector from control
board.
2. Plug "water sen" connector from Scotsman
tester into circuit board.
a. Move "water" switch on tester to No Water
position. The No Water light on the circuit
board should go ON. If not, replace the circuit
board.
SWITCH TO
"NO WATER"
LIGHT ON
WATER SENS
November, 1988
Page 39
b. Move the "water" switch on the tester to the
Water position. The No Water light on the
board should go OFF. If not replace the circuit
board. If the light does go off, replace the
water level sensor.
SWITCH TO
"WATER"
NM1250R
LIGHT OFF