Trouble Shooting Tunnel Master
Jr. User Manual—Version 3.0
92 January 2016
No relays firing. Ribbon cable(s) loose. Re-attach Ribbon cable.
Panic condition present. Disable panic.
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. Adjust contrast dial as needed.
None of my selec tive
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.
Table 26: Relay Box Troubleshooting
Symptom Cause Remedy
Table 27: Entrance Keypad Troubleshooting
Symptom Cause Remedy
Keypad not responding. Keypad address not correct. In most circumstances, the keypad
address in the
wash settings
should be 5.
Loss of power to Entrance
Keypad.
Check Power LED, if voltage
present LED will flash.
ICS Tunnel Master
Jr. Relay Box
has no power.
Reconnect 120VAC to relay box.
Wires and/or plugs loose. Re-connect as necessary .
Keypad and Relay box jumpers
are incorrect.
Check the proper jumper settings.
LEDs are coming on
randomly.
Keypad and Relay box jumpers
are incorrect.
Check the proper jumper settings
.
Keypad failure Put keypad in diagnostic mode
and press each
button to ensure
proper functionality. See
Entrance Keypad diagnostics.
Keypad diagnostic fails. Keypad failure. Contact your distributor for a
replacement.
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