Service Manual

ICE Series Troubleshooting Trees
Page C8
High Suction Pressure
NO
YES
Have you
checked the
“Slow
Production”
Tree?
Evacuate and
recharge system
Check Hot Gas
Valve, see page E5
NO
Check for leaking
Purge valve
Check Condenser
Fan Motor and
Blade for proper
operation, and/or
Water Valve or
Mixing Valve
YES
YES
Replace
Compressor
Go to “Slow
Production”
Troubleshooting
Tree
Is the machine
installed to
specifications?
Clean the
Condenser
NO
NOT O
K
YES
Is the head
pressure also
high?
TXV could be
defective, see
Expansion
Valve, see page
E3 and E4
Hot Gas Valve
is possibility
defective
Repair or
replace
defective part
TVX Thermal
bulb loose or
TXV could be
defective
O
K
OK
NOT OK
Check Compressor,
see page E1
NOT OK
Is the
Condenser
dirty?
Correct
installation
defects
STILL TOO
HIGH
O
K
O
K
NO