U-Line 3018CLR User Manual page 55

USER GUIDE
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
MAIN CONTROL
The main control board is very robust and is rarely the
cause of system issues. It is important to fully diagnose
the board for any suspected failures before attempting to
remove the board for replacement or service. Follow the
guidelines below to fully test and diagnose the main
control.
Power Fault
If the unit does not (or seems to not) power on, follow the
flow chart below to help diagnose the issue. Before
beginning it is important to first verify the unit is not
simply set to sabbath mode.
Check Voltage
No Voltage
At Wall Outlet
Voltage
Verify Voltage
At Main Control
No Voltage
Voltage Input
Voltage
Check Fuse F1
No Continuity
For Continuity
Continuity
Connect Test Display
To J5.
Operating
Cycle Power And
Check For Operation
Not Operating
Is the door open? The
Yes
Display will not activate
while the door is closed
No
No
Open Door.
Is the UI Now
Functional?
Yes
Alert Customer
Of Power Failure
Replace
Power Cord
Replace
Fuse
Inspect Customer UI
and Data Cable
Is the Reed
Replace Reed
Switch Operating
No
Switch.
Properly?
Yes
Replace Main
Board
ALL ERRORS
Up
Error ID
Down
The All Errors option keeps record of any system errors.
When an error occurs it is recorded to all errors. The
number next to the error indicates the number of recorded
instances. Errors in the log may not be currently active.
The error log memory is non volatile and is persistent
should power be lost and restored to the unit. See below
for a list of logged errors and their respective descriptions.
ID Description
No Comm Unit lost
communication
to the display.
Bin T Open Bin thermistor circuit
open.
Condenser Condenser
T Open thermistor circuit
open.
Bin T Short Bin thermistor circuit
shorted.
Condenser Condenser
T Short thermistor circuit
shorted.
Temp Hi Not used.
6H+
Temp Hi Not used.
12H+
Temp Lo Not used.
6H+
Temp Lo Not used.
12H+
Door Open Door switch open for
5M more then 5
minutes.
Time To Water circulation
Clean system requires
cleaning.
Blocked Drain pump has
Drain detected a problem.
To access All Errors follow the steps below.
1. Press to select "All Errors".
u-line.com
SERVICE
Number
Of Occurrences Select
RETURN TO MENU
ALL ERRORS
NO COMM 0
ZONE T OPEN 0
Solution
Check display cable.
Replace if necessary.
Check connection.
Replace if necessary.
Check connection.
Replace if necessary.
Check connection.
Replace if necessary.
Check connection.
Replace if necessary.
Not used.
Not used.
Not used.
Not used.
Check reed switch and
connection.
Clean unit with 37050
cleaner.
Check drain hose for
restriction or drain pump
for correct operation.
Troubleshooting - Extended 4