Airwell DLF 18 DCI, Technical Manual

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13-6
TROUBLESHOOTING
SM DL
F 1
-A.1 GB
13.3 Checking the refrigeration system
Checking system pressures and other thermodynamic measures should be done when system
' *+ "
given in this manual are given for unit performance in Technician mode when high indoor fan
speed is selected.
For entering technician mode see
12.7 .
13.4 Troubleshooting by Diagnostics Codes
13.4.1 Fault Code for Outdoor Unit
If any fault exists in the system, its fault will be shown according to the following coding method.
The 5 last fault occurred in the system will be stored in the EEPROM.
If no fault exist in the system, no fault code will be displayed during normal operation mode.
STATUS LED is blinking 5 times in 5 seconds, and shut off for the next 5 seconds.
FAULT LED will blink during the same 5 seconds according to the following table
The LED coding method is as follow:
STATUS FAULT