Servend STH14, Technician'S Handbook

Page: 130 / 204

130 Part Number STH14 5/09
FLEXTOWER
Condition Investigation Check Correction
No power at
unit
Electrical circuit ON/OFF switch Switch to ON
position/replace
defective switch.
Plugged into
power source
Plug in power cord.
Circuit breaker
tripped
Determine source
of overload.
Power supply
inoperative
Replace power
supply.
24 volt connector
from power source
to control board
Check connection/
connector.
Control board
inoperative
Check/replace
control board.
Board/
bracket
lights
inoperative
Light modules Inoperative light
modules
Replace modules.
Control board Control board
programming
Check and
program/
reprogram.
Water only
dispensing
(one or more
flavors)--
Syrup circuit Syrup supply
depleted
Replenish syrup
supply.
Syrup pressure too
low
Adjust syrup
pressure to 40 PSI
(2.75 BAR).
B-I-B connector off Reattach B-I-B
connector.
B-I-B connector
plugged
Clean B-I-B
connector.
Syrup line
restricted
Check line from
B-I-B pump to
MFT-16.
Syrup outlet
plugged at valve
Clean syrup outlet.
Syrup port plugged
at injection shroud
Clean port.
Outlet syrup line
off valve
Replace syrup line.
Syrup solenoid
inoperative
Check power to
solenoid.
Check/replace
solenoid.
Check connection
to control board.
Control board
inoperative
Check/replace
control board.
STH14.book Page 130 Monday, May 4, 2009 1:48 PM