Troubleshooting guide

Installation and Service Manual
51
EXPLODED VIEWS, PARTS & DIAGRAMS
MD 250 115V WIRING DIAGRAM
PUSH
TO RESET TRANSFORMER:
(115 VOLT UNITS ONLY)
1. DISCONNECT POWER SUPPLY.
2. PRESS RESET BREAKER SWITCH ON TRANSFORMER.
4. RECONNECT POWER SUPPLY.
3. REPLACE MERCHANDISER (FRONT ENCLOSURE).
BEFORE SERVICING
DISCONNECT POWER
ELECTRICAL SHOCK HAZARD
POWER CORD
EMPTY LIGHT
OPTIONAL
CAUTION
STARTER
LIGHT
TIMER
AGITATION
OPTIONAL
KEYSWITCH
VALVE
OPTIONAL
SWITCH
ICE DISPENSE
BALLAST
VALVES
BEVERAGE
MOTOR
TRANSFORMER
REV. 0
G
OPTIONAL MERCHANDISING LAMP
BALLAST
OPTIONAL MERCHANDISING LAMP
LIGHT
STARTER
VALVES
BEVERAGE
THERMOSTAT
O
R
ANGE
BLUE
OPTIONAL
ORANGE
BLUE
YELLOW
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
BLACK
BLACK
BLACK
YELLOW
PN#:5029414
PURPLE
WHITE
WHITE
PURPLE
BLACK
RED
BLACK
BLACK
WHITE
BLUE
BLACK
WHITE
WHITE
BLACK
BLACK
BLACK
B
PURPLE
RED
BLUE
RED
PUSH
OPTIONAL
GRAY
AUDIBLE ALARM
BLUE
TIMER
3
1
2
BUZZER
BLUE
BLACK
BLUE
W
WHIT
E
115 VOLT
2
5
3
1
4
NO
NC
COMMON
IN
OUT
LINE
LOAD
LOAD
LINE
WHITE
BLACK
WHITE