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
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? |
|
TROUBLESHOOTING | microKool Portable Chiller | UGH004/0999 |