TUNNEL MASTER JR MANUAL
Troubleshooting 75
ICS System Trouble Shooting
Tunnel Master Junior Relay Box
Symptom Cause
Remedy
Jumper JP 11 is off
Put Jumper on JP 11
Ribbon cable(s) not plugged in
Re-attach Ribbon cable
Ribbon cable(s) plugged in
incorrectly
Re-attach Ribbon cable
Panic Condition is present
Disable the panic
Manual Override not
working
Equipment Problem
Contact your equipment vendor
Fuse Blown
Test fuse at bottom of board
where spares are located
Output not selected for Service
PLU# in Outputs List.
Add relay to outputs list for
selected service PLU#.
Ribbon cable(s) plugged in
incorrectly
Re-attach Ribbon cable
Check position of relay toggle
switch
Move switch to down position
No power to Relay Box
Check 110VAC power to relay box
Relay not firing
Pulse / Gate not operating
correctly
Please check the Wash Controller
Input Check on page 67.
Ribbon cable(s) loose
Re-attach Ribbon cable
Panic condition present
Disable panic
No relays firing
Pulse / Gate not operating
correctly
Please check the Wash Controller
Input Check on page 67
My display is too dark.
Contrast is not set correctly.
Please see page 14 for a diagram
of where the contrast dial is and
adjust as needed.
None of my selective
outputs are firing.
Unloaded car
If a roller is fired with no services
selected, the controller will only
fire Mandatory outputs. This is
known as an unloaded car.