Bunn CDS-3 - Manual (Page 18)

18
TROUBLESHOOTING (cont.)
PROBLEM
Compressor not running
(With Adjustment Board L.E.D.s ON
steadily for two minutes)
Compressor runs but will not cool
(With adjustment Board L.E.D.s
flashing once every 4 seconds)
Compressor runs but will not cool
(With adjustment Board L.E.D.s
flashing twice every 4 seconds)
Compressor runs but will not cool
(With adjustment Board L.E.D.s
flashing 3, or 4 times every 4
seconds)
PROBABLE CAUSE
1. Power cord
2. Fuse
3. Contactor
4. Electronic Control
5. Compressor Start Relay
6. Thermal Overload Protector
7. Compressor Start Capacitor
8. Compressor
1. Auger not turning
1. Temperature Sensor Assembly
1. Torque Sensor Circuit Board
REMEDY
The dispenser must not be connected
with an extension cord. Refer to
Elec-
trical Requirements.
Refer to Service - Fuse and Fuse
Holder for testing procedures. See
page 40.
Refer to Service - Contactor for test-
ing procedures. See page 34.
Refer to Service - Electronic Control
for testing procedures. See page 38.
Refer to Service - Compressor Start
Relay for testing procedures. See
page 28 (CDS-2) or 31 (CDS-3).
Refer to Service - Compressor Ther-
mal Overload Protector for testing
procedures. See page 28 (CDS-2) or
31 (CDS-3).
Refer to Service - Compressor Start
Capacitor for testing procedures. See
page 28 (CDS-2) or 31 (CDS-3).
Refer to Service - Compressor for
testing procedures. See page 28
(CDS-2) or 31 (CDS-3).
Refer to Troubleshooting - Auger
Motor Won't Turn on previous page.
Refer to Service - Temperature Sen-
sor Assembly for testing procedures.
See page 47.
Refer to Service - Torque Sensor
Circuit Board for testing procedures.
See page 48.
27646 122200