Printed in USA 12/09 © 2009
4
524-500revD-EN
Pie Merchandiser
524-Series
Non-Scheduled Maintenance
Equipment surfaces may be hot. It is recommended that the unit be turned off for at least 10 minutes prior
to performing any maintenance procedure.
Changing Illuminated Front Graphic on Door:
Tools: Phillips Screwdriver
Remove the four screws on the sides of the door and remove the door trim. Slide the POP graphic out. Slide new POP graphic
in, making sure to leave white diffuser background panel in place. Replace the door trim and secure with screws.
Changing the Light Bulb in the Door:
Tools: Phillips Screwdriver
The POP graphic on the front door is illuminated by one fluorescent bulb. If the bulb burns out, turn off the cabinet. Remove the
four screws (save removed screws) on the sides of the door trim and remove the trim along with the POP graphic and white
diffuser. Replace the burned out bulb, the white diffuser, POP graphic and door trim. Secure the door trim with the previously
removed screws. Turn the power switch on.
WARNING
Troubleshooting
SYMPTOM
DISPLAY READS
POSSIBLE CAUSE
REMEDY
No power
Blank
Facility circuit breaker tripped
Reset circuit breaker
Power cord to unit is unplugged
Plug in power cord
Faulty transformer
Replace
Faulty controller
Replace
Faulty ON/OFF switch
Replace
Faulty wiring
Follow wiring per diagram
No Heat/Low Temp
Ambient air temperature
Hi limit faulty or tripped
Reset/Replace
Faulty heat element
Replace
Faulty relay
Replace
Faulty air probe
Replace
Faulty controller
Replace
Door not closed
Make sure Merchandiser door is closed
properly
Controller LEDs
LED segments are out/dim
Loose wiring
Follow wiring per diagram
Faulty controller
Replace
Product not getting
hot enough
Normal
Wrong setting or menu being used
Correct temperature setting
Check calibration with MRC Card
Function key does
not operate
Normal
Faulty controller
Replace
