Henny Penny ISLAND WARMER HMI-105 - Manual (Page 6)

Model HMI-103/105
1-3. TROUBLESHOOTING To isolate a malfunction proceed as follows:
1. Clearly defi ne the problem or symptom.
2. Locate the problem in the troubleshooting table.
3. Review all possible causes, then work through the list
of corrections one-at-a-time until the problem is solved.
Refer to maintenance procedures in Section 2 to safely
and properly make the checkout and repair needed.
PROBLEM CAUSE CORRECTION
OPERATIONS
Product not holding
temperature
A. Lights will not
turn
on
• Radiant heat too low
• Only hold product for specifi ed times
• Turn to a higher setting
• Check radiant heaters per Radiant
Heaters
Section
• Turn to a higher setting
• Check heaters per Air Heaters Section
• Check cooling fan
• Check high limits
• Product held too long
• Air heat too low
• Air heaters not working
• High limit open
LIGHTING
• No neutral supplied in fi eld wiring
• Check wiring and repair or replace
if
necessary
• Loose or defective wiring
1-2 203
• Radiant heat not working
• Defective fuse • Check fuse and replace if necessary
• Faulty switch • Check switch and replace if necessary
• Check fi eld wiring to be sure a true
neutral has been connected