Carrier 30RAP010-060 specifications Fault Codes, Description, Solution

Table 38 — Fault Codes

	FAULT CODE	DESCRIPTION	SOLUTION
AF		High Temperature Fault: Ambient temperature is too high;	Check cooling fan operation
		Cooling fan has failed (if equipped).
CF		Control Fault: A blank EPM, or an EPM with corrupted data	Perform a factory reset using Parameter 48 —
		has been installed.	PROGRAM SELECTION.
cF		Incompatibility Fault: An EPM with an incompatible parame-	Either remove the EPM or perform a factory
		ter version has been installed.	reset (Parameter 48) to change the parameter
			version of the EPM to match the parameter
			version of the drive.
CL		CURRENT LIMIT: The output current has exceeded the	Check for loose electrical connections.
		CURRENT LIMIT setting (Parameter 25) and the drive is	Check for faulty condenser fan motor.
		reducing the output frequency to reduce the output current.	Check Parameter P25 from Table 39 is set
		If the drive remains in CURRENT LIMIT too long, it can trip	correctly.
		into a CURRENT OVERLOAD fault (PF).
GF		Data Fault: User data and OEM defaults in the EPM are	Restore factory defaults P48, see section
		corrupted.	above. If that does not work, replace EPM.
HF		High DC Bus Voltage Fault: Line voltage is too high; Decel-	Check line voltage — set P01 appropriately
		eration rate is too fast; Overhauling load.
JF		Serial Fault: The watchdog timer has timed out, indicating	Check serial connection (computer)
		that the serial link has been lost.	Check settings for PXX.
			Check settings in communication software to
			match PXX.
LF		Low DC Bus Voltage Fault: Line voltage is too low.	Check line voltage — set P01 appropriately
OF		Output Transistor Fault: Phase to phase or phase to ground	Reduce boost or increase acceleration values.
		short circuit on the output; Failed output transistor; Boost	If unsuccessful, replace drive.
		settings are too high; Acceleration rate is too fast.
PF		Current Overload Fault: VFD is undersized for the applica-	Check line voltage — set P01 appropriately
		tion; Mechanical problem with the driven equipment.	Check for dirty coils
			Check for motor bearing failure
SF		Single-phase Fault: Single-phase input power has been	Check input power phasing
		applied to a three-phase drive.
F1		EPM Fault: The EPM is missing or damaged.
F2-F9, Fo		Internal Faults: The control board has sensed a problem	Consult factory
Drive display = 60.0 even though it		Feedback signal is above set point	Check for proper set point
is cold outside and it should be run-			Check liquid line pressure
ning slower
Drive display = ‘---’ even though		Start jumper is missing	Replace start jumper. See section above
drive should be running
Drive display = 8.0 even though fan		Feedback signal is below set point and fan is at minimum	Check for proper set point
should be running faster		speed	Check liquid line pressure
VFD flashes 57 and LCS		Feedback or speed signal lost. Drive will operate at 57 Hz	In stand alone mode: Check transducer wiring
		until reset or loss of start command. Resetting requires	and feedback voltage. Feedback voltage dis-
		cycling start command (or power).	played on P-69. Pin 6 should be 5 v output.
			Pin 5 (feedback) should be somewhere
			between 0 and 5 v.
	LEGEND
EPM	— Electronic Programming Module
LCS	— Lost Control Signal
OEM	— Outside Equipment Manufacturer
VFD	— Variable Frequency Drive

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