Omcan IC-CN-0040, Instruction Manual

Page: 14 / 56

14
Troubleshooting
Machine does not start producing ice cubes.
Step Check If yes, proceed to If no, proceed to
H1 Does the purge valve work? H6 H2
H2 Is the freeze pattern even? H3 H2
H3 Is the purge valve leaking? Replace H3
H4 Is the compressor failing? Replace H4
H5 Is the system supplied with too
much voltage?
Adjust the voltage Replace TXV
H6 Is the relay defective? Replace H7
H7 Is the board defective? Replace
Machine harvests but returns to ice-making prematurely.
Step Check If yes, proceed to If no, proceed to
I1 Is the manual purge open? Replace purge valve I2
I2 Is the high temperature safety
switch open?
Replace I3
I3 Is the relay damaged? Replace
Length of harvest is excessive.
Step Check If yes, proceed to If no, proceed to
J1 Is the machine installed correctly? J2 Correct
J2 Is ice forming correctly? J3 Low charge - recharge
J3 Is the suction pressure too low? Replace the hot gas valve J4
J4 Is the evaporator clean? J5 Clean accordingly
J5 Is the ice bridge correct? J6 Go to F or G sections
J6 Is the machine level? J7 Level the unit
J7 Does water run over the
evaporator during harvest?
Clean or J11 J8
J8 Is the purge valve leaking? Replace J9
J9 Is the relay damaged? Replace J10
J10 Is the selector switch damaged? Replace
J11 Is the suction pressure damaged? Replace evaporator J12
J12 Is the discharge pressure low
during freezing?
Ambient temperature is too
low
Replace the hot gas valve
Evaporator gets hot.
Step Check If yes, proceed to If no, proceed to
K1 Is the unit installed correctly? K2 Correctly install the unit