Table of Contents
Advertisement
F. Diagnostic Charts
Before consulting the diagnostic charts, check for correct installation, proper voltage per unit
nameplate, and adequate water supply. Check CB using the steps in "IV.B. Control Board
Check." Check the dip switch settings to assure that S1 dip switch 7 through 10 and S2 dip
switch 1 through 6 are in the factory default position. S1 dip switch 1 through 6 are cleaning
adjustments and the settings are flexible. For factory default settings, see "II.C.3.a) Default
Dip Switch Settings."
1. No Ice Production
No Ice Production - Possible Cause
1. Power Supply
2. Main Transformer
(208-230V/115V) (3 Phase Only)
3. Water Supply
4. Fuse (SRK Control Box)
5. High-Pressure Switch (SRK)
6. Discharge Line Thermostat
(SRK)
7. Wire Harness
(From SRK to KMS)
8. Fuse (KMS Control Box)
9. Control Switch
10. Control Transformer
(115V/10.5V)
11. Control Board
See "IV.B. Control Board Check"
12. Bin Control
See "IV.C. Bin Control Check and
Cleaning"
13. Inlet Water Valve
14. Drain Valve
a) Off, blown fuse, or tripped breaker.
b) Not within specifications.
a) Voltage tap switch not set to proper voltage.
b) Coil winding open or shorted.
a) Water supply off or improper water pressure.
b) External water filters clogged.
a) Blown.
a) Dirty condenser.
b) Condensing unit fans not operating.
c) Headmaster (C.P.R.) open.
d) Refrigerant overcharged.
e) Bad contacts.
f) Refrigerant lines or components plugged.
a) Ambient temperature too warm.
b) Compressor or compressor components faulty.
c) Defective.
d) Hot gas valves open.
e) Dirty condenser.
f) Condensing unit fans not operating.
a) Disconnected or loose connection.
a) Blown.
a) In "SERVICE" or "OFF" position.
b) Bad contacts.
a) Coil winding open or shorted.
a) In alarm.
b) BC open, CB red "POWER OK" LED flashing (bin full).
c) Defective.
a) Tripped with bin filled with ice.
b) Actuator does not move freely.
c) Defective.
a) Screen or orifice clogged.
b) Coil winding open.
c) Open in freeze cycle.
a) Dirty, leaking by.
42
Advertisement
Table of Contents
