2.Damaged jack/socket in display head or on circuit board.
Visually check to see that pins inside socket are not bent or corroded. Repair or replace display or circuit board if needed.
Fault: “PLF” is displayed (Elite Digital Control only).
Possible Reason/Correction
1.Indicates that seawater flow through the con- denser coil is insufficient.
Check for adequate seawater flow. Verify pump operation. Inspect the condenser coil, it may need cleaning (see maintenance section). Sensor may be faulty, replaced if necessary. Call for service tech.
MCP Mechanical Control Panel Troubleshooting
Fault: Fan is not running.
Possible Reason/Correction
1.MCP system switch is not set properly.
Set MCP system switch to “START” for fan only or “RUN” for cooling and heating (if reverse cycle).
2.MCP fuse blown.
Replace 10 amp fuse behind MCP panel
3.Wire became disconnected or loosened during installation.
Reconnect or tighten, verify with wring diagram in this manual.
Fault: System runs continuously.
Possible Reason/Correction
1.Improper MCP air sensor location.
Verify return air sensing bulb location with criteria found in this manual.
14 | ❖ English |
