Scotsman NM650R Service Manual page 38

NM650R
CIRCUIT BOARD TESTING
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
SWITCH TO
"NO WATER"
LIGHT ON
WATER SENS
December, 1988
Page 38
board should go ON. If not, replace the circuit
board.
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"
LIGHT OFF