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USER GUIDE
Service Mode 2
u-line.com
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE •
SERVICE
SERVICE MENU
In addition to a feature rich customer menu, the 3000
series also offers a service menu with the ability to fine
tune and monitor unit operation.
To initiate the Service menu hold both Up and Zone
Toggle for 5 seconds.
Actual Temps
The Actual Temp option in the service menu will display
raw thermistor readings without calculating offsets.
1. Use Down to select “Actual Temps”.
2. Press Select .
3. Use Up and Down to scroll through available
thermistor readings.
To exit the Actual Temps menu use Up to select
“Return to Menu” and press Select to confirm.
All Errors
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.
To access All Errors follow the steps below.
1. Use Down to select “All Errors”.
2. Press Select .
3. Use Up and Down to scroll through available
information.
Up
Select
Down
RETURN TO MENU
ACTUAL TEMPS
ZONE = 37°
EVAP = 52°
Can be displayed in Celsius
Up
Error ID
Number
Of Occurrences
Select
Down
RETURN TO MENU
ALL ERRORS
NO COMM 0
ZONE T OPEN 0
ID
Description
Solution
No Comm
Unit lost
communication
to the display.
Check display cable.
Replace if necessary.
Bin T Open
Bin thermistor circuit
open.
Check connection.
Replace if necessary.
Condenser T
Open
Condenser
thermistor circuit
open.
Check connection.
Replace if necessary.
Bin T Short
Bin thermistor circuit
shorted.
Check connection.
Replace if necessary.
Condenser T
Short
Condenser
thermistor circuit
shorted.
Check connection.
Replace if necessary.
Temp Hi
6H+
Not used.
Not used.
Temp Hi
12H+
Not used.
Not used.
Temp Lo
6H+
Not used.
Not used.
Temp Lo
12H+
Not used.
Not used.
Door Open
5M
Door switch open for
more then 5
minutes.
Check reed switch and
connection.
Time To
Clean
Water circulation
system requires
cleaning.
Clean unit with 37050
cleaner.
Blocked
Drain
Drain pump has
detected a problem.
Check drain hose for
restriction or drain pump
for correct operation.