E3981 VHSS
24
(14)
TROUBLESHOOTING
Pre-Service Checklist
You may avoid the cost and inconvenience of an unnecessary service call by first
reviewing this checklist of frequently encountered situations that can cause unsatisfactory
case performance.
Case Does Not Operate
Check for disconnected power supply.
Check for tripped breaker on blown fuse.
Check that the thermostat display is on and is not displaying an error.
Lights Do Not Operate
Check that light switch is on.
Check for tripped breaker or blown fuse.
Check that light cords are plugged in correctly to sockets. Check connector on LED
light, and connector on
Temperature is too low
Increase control setpoint
Check supply voltage to case is above 208V
Look for HVAC discharge vents, fans, and other possible air disruptions.
If using rack, check rack orientation. Flip rack over if needed so product is closer to
the shelf surface.
Temperature is too high
Turn down control setpoint
Check the control for errors and contact service
Use supplied food rack to reduce heat intensity on food
Control Error
Turn the main power switch to off to power down the unit
Wait 10s, and power the unit back on
If error is still present, ensure all heater cords are seated fully into their receptacles.
