Conair MPA, MPW manual PHS Err, Possible cause Solution, Shut Down Alarms

SHUT DOWN ALARMS

The chiller has detected a problem that could lead to equipment damage or personal injury if it is not corrected.

◆The Alarm LED lights and the STOP/RUN LED flashes red.

◆The chiller automatically shuts down.

◆The control displays a red LED or alarm code indicating the source of the problem.

Alarm Possible cause Solution

PHS Err

The incoming power is out of phase. A leg may have failed or is disconnected.

Is the pump rotating in the wrong direction?

Check pump rotation against the arrow stamped on the pump. If the pump is rotating in the wrong direction, discon- nect and lockout the main power source. Open the electri- cal enclosure, and reverse

any two leads on the power connection.

NOTE: This alarm is available only on PC-2 models.

Has one of the main sup-	Disconnect power and open
ply wire leads become	the electrical enclosure. Check
disconnected?	for loose connections in main
	supply and on motherboard.

FUS 002

Pump fuse.

FUS 003

Compressor fuse.

FUS 004

Unloader valve fuse.

FUS 005

Unloader valve fuse.

FUS 006

Level Switch fuse.

Has the indicated device	Disconnect and lockout the
blown a fuse?	main power. Open the electri-
	cal enclosure. Check for loose
	wires and incorrectly installed
	jumpers or terminal blocks
	associated with the fuse error.
	Replace the fuse, if necessary.
	See CHECKING AND REPLACING
	FUSES.
Is the correct device	Replace the fuse, then enter
being used for this fuse	Test Mode. Turn off the Output
location?	Monitor associated with the
	fuse location and test outputs.
	See PERFORMING SYSTEM TESTS
	and DISABLING OR ENABLING
	OUTPUT MONITORS in the
	MAINTENANCE section.
Has the motherboard	Replace the motherboard. See
output channel at the	REPLACING THE MOTHERBOARD.
designated fuse failed?

6-6 TROUBLESHOOTING microKool Portable Chiller UGH004/0999