Carrier VECTOR 1550 Series - Page 206

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7-90
Alarm
NO.
Steps
ALARM / CAUSE
CORRECTIVE ACTION
237 FUNCTION PARAMETERS ERROR
 TRIGGER-ON: There is an error in one or more of the Functional Parameters that are stored in the
microprocessor memory.
 UNIT CONTROL: Incorrect Functional Parameter(s) will be automatically set for default value.
 RESET CONDITION: Auto Reset when valid Functional Parameters are entered, or alarm may be
manually reset by turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active
alarm should clear itself (see reset condition above). Operate the unit through the appropriate modes to see if any
active alarm occurs. Continue with the steps below as necessary.
1
Check Functional Parameters
a. Check Functional Parameters.
All must be set for selectable values.
2
Reset Microprocessor
a. Place the SROS in the OFF posi-
tion for 30 seconds, then back to
START / RUN.
Microprocessor powers up OK.
b. Check for valid Functional Pa-
rameters in Functional Parameters
List.
Valid number is set for all parameters.
Alarm is cleared.
c. Valid Functional Parameter(s) can
not be entered.
Replace microprocessor. Refer to Section 5.4