Table 7-11 Troubleshooting A Keyboard Failure - Honeywell UDC3200 Product Manual

Troubleshooting/Service
Procedure #7
Table 7-11 explains how to troubleshoot a Keyboard failure.
Step
1
2
3
4
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Table 7-11 Troubleshooting a Keyboard Failure

What to do
Make sure the keyboard is
connected properly to the
MCU/output and power/input
boards.
Controller Keyboard or specific keys
may be LOCKED OUT via the
security code.
Run the keyboard test.
Replace the display/keyboard if any
keys do not function.
UDC3200 Universal Digital Controller Product Manual
How to do it
Withdraw the chassis from the case
and visually inspect the connection.
Use your four-digit security code
number to change the lockout level.
Refer to Section 3 – Configuration.
Press the [SET UP] key and hold in,
then press the [FUNCTION] key at the
same time. The controller will run a
display test. Then you will see:
Upper Display
KEYS
Lower Display
TRY ALL
Press each key. If it works, the key
name will appear in the lower display.
Refer to "Parts Replacement
Procedures " in this section.
12/04