Key Error - Honeywell UDC3500 Product Manual

Monitoring and Operating the Controller
Individual key lockout
There are three keys that can be disabled to prevent unauthorized changes to the
parameters associated with these keys. First set the "Lock" prompt to NONE.
These keys are:
Run Run Run
Hold Hold Hold
Key
Man Man Man
Auto Auto Auto
Key
SP SP SP
Select Select Select
Key
See Subsection 3.4 - Tuning Parameters Set Up Group prompts to enable or disable
these keys.

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 not available or locked out
• Not in setup mode, press
• Individual key locked out.
184
- you can disable the Run/Hold key for Set Point
Programming at configuration Set Up group prompt
"Tuning," function prompt "RN HLD."
- you can disable the Auto/Manual key at configuration Set
Up, group prompt "Tuning", function prompt "AUTOMA"
- you can disable the Set Point Select function key at
configuration Set Up group prompt "Tuning," function
prompt "SP SEL."
SET UP
UDC3500 Universal Digital Controller Product Manual
key first
10/05