Heating Problems - Grindmaster AM-344-04 Operation And Instruction Manual

Troubleshooting (cont.)
Problem
Tank does not refill
Problem
Tank does not heat
Shuttle Brewers & Airpot/Shuttle Brewers
Filling Problems
Possible Causes
• Fill valve or control
board is faulty

Heating Problems

Possible Causes
• No electrical power to
equipment
• No power to control
board
Service Check
• Check to ensure proper
connection between
6 pin connector and con-
trol board. Check
for proper connections
at fill valve terminals.
Drain 1 gal. (3.8L) of
water from hot water
faucet. Check for 24 Vac
across fill valve
terminals.
Service Check
• Check for proper voltage
at terminal block. Check
circuit breaker on supply
circuit.
• Check for proper voltage
across transformer
primary terminals by
disconnecting terminals.
See wiring diagram for
more information.
Remedy
• If 6 pin connector is securely
attached to control board and
all connections are secure
and there is 24 Vac across
fill valve terminals, replace
fill valve.
Remedy
• Establish electrical power
to unit.
• If there is not proper voltage
across primary, proceed to step
entitled "No power to control
board and transformer not
powered". If there is proper
voltage across primary, proceed
to step entitled "No power
to control board and
transformer powered".
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