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Model 811, 813, 819, 821 Series Troubleshooting Guide
120521
PROBLEM PROBABLE CAUSE REMEDY
6. The upper platen will not stay
in the COOK or STANDBY
position.
a. Temperature is insufficient to
satisfy the indicator LED's. a. Wait until the indicator LED's
turn green.
b. The control harness is faulty. b. Call a service technician.
c. The interface board is faulty. c. Call a service technician.
d. The latch switch is faulty. d. Call a service technician.
e. The latch solenoid is faulty. e. Call a service technician.
f. The processor control is faulty. f. Call a service technician.
g. The pneumatic system is
faulty. g. Call a service technician.
7. The upper platen will not stay
in the COOK position, but will
stay in the STANDBY mode.
a. The product is out of
specification. a. Product must be within
specification (proper thickness,
shape, etc.).
b. The processor control is not set
properly. b. Call a service technician.
8. The upper platen opens too
rapidly. a. The orifice/check valve is
incorrect or missing. a. Call a service technician.
9. The display reads “PLATEN
NOT LATCHED”. a. The pneumatic system is
faulty. a. Call a service technician.
b. The latch switch is faulty. b. Call a service technician.
c. The latch solenoid is faulty. c. Call a service technician.
10. The display reads “UPPER
PLATEN STUCK”. a. The arm bearings are dirty. a. Call a service technician.
b. The air cylinder is faulty. b. Call a service technician.
c. Plugged air lines to cylinders. c. Call a service technician.