DuraChill DCA203C4, Operator'S Manual

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Fault Code Description Action Required
16
Front panel high ambient
temperature alarm
Alarm –
Ambient temperature at front panel is higher than high
ambient temperature limit. Occurs when ambient temperature
exceeds the set ambient limit by 5°C or more. Compressor, heater,
fan, and pump are turned off.
Lower temperature in area where Chiller is located or increase high
ambient temperature limit value.
Enabling / Disabling the Local Lockout
This feature is used to prevent unauthorized or accidental changes to set point and other operational values.
When enabled, the values for the following functions can be displayed, but not changed:
•
Temperature unit
•
Temperature set point
•
Pressure / flow rate units
To enable the local lockout, press and hold the Select/Set Knob until LLO is displayed (approximately 5 seconds).
Once enabled, LLO will appear momentarily when the Select/Set Knob is pressed to display the set point.
To disable the local lockout, press and hold the Select/Set Knob until CAn appears momentarily as local lockout
status changes from enabled (LLO) to disabled (approximately 5 seconds).
IMPORTANT:
The Local Lockout feature does not prevent set point changes entered via the RS232 interface.