Pinnacle 2 and 4 Flavor Service Manual
T
ROUBLESHOOTING
P
RODUCT
N
OT
C
OLD
Frozen Cylinder
A. Low Brix
B. Pulse valve leaking
C. Broken beater bar
D. Broken drive coupler.
E. No defrost.
F.
Are defrosts programmed all
days?
A. Correct cause and reset Brix.
B. Replace pulse valve.
C. Replace beater bar.
D. Replace the drive coupler.
E. Program defrosts in unit.
F.
Reprogram to all days.
Detective Stator
A. Open or shorted.
A. See stator test.
Defective Hall Board
(Baldor)
A. Open or shorted.
A. See Hall board test.
Stator or Misalignment
A. Loose mounting nuts.
B. Missing or extra gasket.
C. Debris causing interference.
D. Hall board not mounted correctly.
A. Tighten nuts.
B. Add or remove gasket.
C. Remove debris and tighten.
D. Assemble correctly.
No Power to Stator
A. Blown inverter fuse.
B. Blown thermistor (Emerson).
C. One side of inverter is defective.
D. Incorrect wiring.
E. Poor connections.
A. Emerson - replace board.
Baldor - replace fuse.
B. Replace thermistor harness.
C. Swap side 1 & 2 controls, see if
motor will run.
D. Check wiring with Pinnacle sche-
matic.
E. Check all connections.
Bad Magnet
A. Defective beater bar coupler.
B. Worn magnet bushing.
C. Cracked/damaged magnet hous-
ing.
D. Cylinder shaft not aligned.
A. Replace the defective part.
B. Replace bushing assembly/check
cylinder shaft.
C. Replace magnet.
D. Replace foam pack.
Problem
Probable Cause
Remedy
Compressor not Run-
ning
A. Cylinder not in ON mode.
B. No voltage to compressor.
C. Bad start components.
D. Compressor’s thermal overload
protector “open”.
E. Open or shorted compressor
windings.
F.
Bad control board.
A. Turn cylinder to ON.
B. Check power at contactor L1, L2 -
T1, T2.
C. Check components and wiring.
D. Check resistance of compressor
windings and check incoming line
voltage.
E. Check resistance of compressor
windings.
F.
Troubleshoot, replace if neces-
sary.
© 2003-2014, Cornelius Inc.
- 61 -
Publication Number: 560007298SER
Summary of Contents for FCB - 2 Flavor
Page 75: ......
