Microprocessor Alarms - Carrier VECTOR 6500 Operation & Service Manual

Alarm
Steps
NO.
232 SETPOINT ERROR
•
TRIGGER–ON: There is an error in the set point that is stored in the microprocessor memory.
•
UNIT CONTROL: Unit Shutdown & Alarm.
•
RESET CONDITION: Auto Reset when a valid set point is 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 Set Point
a. Check set point setting.
b. Enter new set point.
2 Reset Microprocessor
a. Place the Main Power switch in the
OFF position for 30 seconds, then
back to the desired position.
b. Valid set point can not be entered
and alarm 232 remains active.
233 MODEL # ERROR
•
TRIGGER–ON: There is an error in the Model Number that is stored in the microprocessor memory
•
UNIT CONTROL: Unit Shutdown & Alarm
•
RESET CONDITION: Auto Reset only when a valid Model number is entered.
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 Model Number
a. Check
microprocessor.
b. Enter correct Model Number.
2 Reset Microprocessor
a. Place the Main Power switch in the
OFF position for 30 seconds, then
back to the desired position.
b. Check for valid Model number in
Data List.
c. Valid model number can not be
entered and alarm remains active.
62-11389
Alarm/Cause

7.11 MICROPROCESSOR ALARMS

Model Number in
7−102
Corrective Action
Must be between -22 and +89.6° F (-30° and +32°C)
The microprocessor powers up OK and the latest set
point appears in the display.
Download and replace microprocessor. Refer to
Section 5.7.
Check Model Number on Nameplate.
Select the correct model number in the "MODEL
NUMBER" Configuration. If correct model number is
not found, Install (or have Carrier Transicold dealer
install) latest software revision.
Microprocessor powers up OK.
Valid number is present.
Alarm is cleared.
Download and replace microprocessor. Refer to
Section 5.7.