Troubleshooting Flowchart - Frymaster HLZ 18 Service Manual

9.4 Troubleshooting Flow Charts:
1. Follow the flowchart on pages 15 - 18 to help locate and troubleshoot the most likely
encountered problems. The flowchart will give possible solutions/corrective actions to be
taken.
2. To use the flowchart, start at the top of the diagram. Follow each step in sequence. If the
answer to a question is "yes", proceed downward to the next step. If the answer is "no",
follow the arrow to the right to the possible solutions/corrective action boxes.
3. The left box offers possible solutions. The right box gives the corresponding test procedure
to verify the possible solution or corrective action. Test procedures are found on pages 16
– 18.
WARNING!
INSPECTION, TESTING, AND REPAIR
OF ELECTRICAL EQUIPMENT SHOULD
BE PERFORMED
PERSONNEL.
Set up for test per
section 9.3.1.
Follow each step
in sequence.
Plug in to power
source.
Push ON/OFF
switch.
Unit powers up
and display reads
LO
YES
Go to page 16 and
continue.
Frymaster L.L.C., 8700 Line Avenue 71106, P.O. Box 51000, Shreveport, Louisiana 71135-1000
Printed in the United States
D
BY QUALIFIE
Notes: * REdY, HI, or PROB may also appear.
** STD = Standard troubleshooting test.
1. Incorrect or no voltage
applied.
2. Tripped wall circuit breaker.
NO
3. Blown 20A fuse.
4. Transformer has failed.
5. Computer is faulty.
6. Wiring connection is faulty.
318-865-1711
1-800-24-FRYER
Return to Cover
indicates the temperature is near set temp.
indicates the temperature is above set temp. PROB
indicates a defective probe circuit (air RTD or heater
RTD).
N/A = No applicable test.
FAX 318-862-2394
Service Hotline
REdY
1. STD **
2. STD
3. STD
4. Test A
5. Test B
6.
STD
15
Page
HI