Troubleshooting - Blueridge BMKH09-15YN4GA Installation Manual

START-UP AND TROUBLESHOOTING
Explain Following Items To Customer With The Aid Of The Owner's Manual:
1. How to turn system on and off; selecting COOLING, HEATING and other operating modes;
setting a desired temperature; setting the timer to automatically start and stop system
operation; and all other features of the Remote Control and display panel.
2. How to remove and clean the air filter.
3. How to set air with the swing louvers.
4. Explain care and maintenance.
5. Present the Owner's Manual and installation instructions to customer.

Troubleshooting

This unit has onboard diagnostics. Error codes will appear on the LED display on the front panel of the
indoor unit in place of the temperature display. The table below explains the error codes for both units.
DIAGNOSTIC CODES
Equipment Fault
Indoor Configuration Jumper
Indoor/Outdoor Mismatch
High Current Protection
Communication Error
Indoor Air Temp.Thermistor
Indoor Coil Temp.Thermistor
Outdoor Air Temp.Thermistor
Outdoor Coil Temp.Thermistor
Compressor Discharge Temp.Thermistor
Compressor Overload Protection
IPM Module Protection
Indoor Fan Malfunction
Compressor Synchronism
4-Way Valve Malfunction
Error Codes Possible Causes
C5 Missing Configuration Jumper on Indoor Control Board
LP Indoor and Outdoor Units Do Not Match (Model or Capacity)
E5 Power Supply is not Stable and Voltage Range is too Large
E6 Mis-wired or Communication Failure
F1 Bad Connection, or Indoor Air Sensor Failure
F2 Bad Connection, or Indoor Coil Sensor Failure
F3 Bad Connection, or Outdoor Ambient Sensor Failure
F4 Bad Connection, or Outdoor Coil Sensor Failure
F5 Bad Connection, or Discharge Sensor Failure
H3 Low Refrigerant Charge, Blocked Capillary, or Compressor Motor Failure
H5 IPM Module Temperature Too High, High Ambient, Low Voltage, or Bad Connections
H6 Indoor Fan Stopped or Running too Slow
H7 High Pressure, Low Voltage, or Bad Connections
U7 Bad Connection, Solenoid Failure, or Valve Malfunction. ( Heat Pumps Only)
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