Taylor C820 Original Operating Instructions page 34

PROBLEM
6. The upper platen will not stay
in the COOK or STANDBY
position.
7. The upper platen will not stay
in the COOK position, but will
stay in the STANDBY mode.
8. The upper platen opens too
rapidly.
9. The display reads "PLATEN
NOT LATCHED".
10. The display reads "UPPER
PLATEN STUCK".
11. The platen will not lower to
preset gap height.
Troubleshooting Guide
PROBABLE CAUSE
a. Temperature is insufficient to
satisfy the indicator LED's.
b. The control harness is faulty.
c. The interface board is faulty.
d. The latch switch is faulty.
e. The latch solenoid is faulty.
f. The processor control is faulty.
g. The pneumatic system is
faulty.
a. The processor control is not
set properly.
a. The orifice/check valve is
incorrect or missing.
a. The pneumatic system is
faulty.
b. The latch switch is faulty.
c. The latch solenoid is faulty.
a. The arm bearings are dirty.
b. The air cylinder is faulty.
c. Plugged air lines to cylinders.
a. Defective motors and cables.
b. Defective motor interface
board.
c. Loose harness connections.
d. Defective main display
controller.
30
REMEDY
a. Wait until the indicator LED's
turn green.
b. Call a service technician.
c. Call a service technician.
d. Call a service technician.
e. Call a service technician.
f. Call a service technician.
g. Call a service technician.
a. Call a service technician.
a. Call a service technician.
a. Call a service technician.
b. Call a service technician.
c. Call a service technician.
a. Call a service technician.
b. Call a service technician.
c. Call a service technician.
a. Call a service technician.
b. Call a service technician.
c. Call a service technician.
d. Call a service technician.
Model C820 & C822