Operating instructions
TROUBLESHOOTING SUGGESTIONS 
10 
SYMPTOM  POSSIBLE CAUSE  SUGGESTED REMEDY 
No power to warmer  Circuit breaker off or tripped  Reset circuit breaker 
Warmer will not heat  Temperature control not set 
Set control to desired 
temperature 
Wet insulation 
Verify flange-to counter seal is 
sound, or reseal with food-grade 
silicone sealant 
Pan leaking or other internal 
damage 
Contact your Authorized Wells 
Service Agency for repairs 
Internal damage 
Contact your Authorized Wells 
Service Agency for repairs 
Warmer slow to heat 
Mineral deposits on pan acting 
as a insulator 
Clean pan(s) with delime cleaner 
Wired to wrong voltage 
Verify supply voltage - must 
match voltage on warmer 
nameplate 
Drain-equipped unit will not hold 
water 
Drain valve not fully closed 
Check drain valve for debris and 
close fully 
Drain valve damaged or pan(s) 
leaking 
Contact your Authorized Wells 
Service Agency for repairs 
Auto-fill unit overflows 
Water level sensor dirty  Clean water level sensor 
Internal damage 
Contact your Authorized Wells 
Service Agency for repairs 
Auto-fill unit does not fill 
Water supply turned off or 
restricted 
Be sure water supply is turned 
on and water supply hose is not 
pinched or twisted 
Bad Probe or other Internal 
Damage 
Contact your Authorized Wells 
Service Agency for repairs 
One or more pans of an auto-fill 
unit do not fill 
Blocked drain manifold  Clean drain manifold 
Warmer trips circuit breaker 
 011 303308  OpManual for Built-In T’Stat Warmers 
There are no user-serviceable components in this appliance. 
In all instances of damage or malfunction, contact your Authorized Wells Service Agency for repairs. 










