Electra LEX 25 DCI Service Manual page 95

TROUBLESHOOTING
No Symptom
Other home appliances operation
is faulty such as noise appears
21 in the television picture, or the
picture is distorted or static occurs
in the radio sound
22
All others
13.2.2 Checking the refrigeration system
Checking system pressures and other thermodynamic measures should be done when system is
in technician Mode where the system operates as in fixed settings. The performance curves given
in this manual are given for unit performance in Technician mode when high indoor fan speed is
selected.
13.2.3 Diagnostics
13.2.3.1 Outdoor unit diagnostics
If any fault exists in the system, it will be shown according to tIf no fault exists in the system, no
fault code will be displayed during normal operation mode, and the status led will be on while the
compressor is enable.he following coding method.
Two LEDs display the system diagnostics on real time as follows:
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:
13-12
Probable Cause
EMC interference by
the A/C unit
Specific problems of
indoor or outdoor units
CONTENTS
Corrective Action
Check for EMC problems
Check diagnostics
SM LEXDCI 1-E.1 GB