Check the displays and Use the procedure in Table 5-2 to run the display and key test.

keys

Table 5-2 Procedure for Testing the Displays and Keys

Press

SET UP

and hold in,

then

FUNCTION

LOOP 1/2

at the same time

Press each key to see if it

works

Result

The controller will run a display test. All the displays will light for 8 seconds, then the displays will look like this:

Upper Display

keys

Lower Display

try all

When the key is pressed, the lower display will indicate the name of the key pressed.

 

Key Pressed

Lower Display

 

 

FUNCTION LOOP 1/2

FUNCTION

 

 

LOWER DISPLAY

LWR DISP

 

 

MANUAL/AUTO

AUTO MAN

 

 

SETPOINT/SELECT

SP SEL

 

 

 

INCRMENT

 

 

 

DECRMENT

 

 

RUN/HOLD

RUN HOLD

 

 

+

INCRDECR

 

 

FUNCTION+SETUP

FUNC SU

 

 

 

 

 

If no key is pressed for 20 seconds, the test will time out and the controller will go into control mode.

If any test fails, go to “Controller Failure Symptoms” in Section 9 -

Troubleshooting.

Key error

When a key is pressed and the prompt “KEY ERROR” appears in the lower display, it will be for one of the following reasons:

parameter is not available,

not in Set Up mode, press SET UP

key malfunction, do keyboard test.

key first,

4/00

UDC 3300 Controller Product Manual

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Image 161
Honeywell UDC 3300 manual Keys Procedure for Testing the Displays and Keys Press, Key Pressed Lower Display