7. BUZZER TYPES
In normal operation
Buzzer sounds
A one-time short beep sound (Pi)
In cases of abnormal operation
LED
Buzzer sounds
LAMP
1
Short
Short beep sounds
blinking
(Pi, Pi, Pi, ...)
Long beep sounds
2
(Pii, Pii, Pii, ...)
Long
blinking
Beeping sounds
3
(Piiiiiii.........)
Lightning
At powering on
When the quiet mode is switched
Power supply is
None
over 258V or below
Power supply is excessively high or low
voltage
• Motor temperature went abnormally
high
• Temperature in the control circuit has
built up to an abnormally high level
• Motor does not run
• Failure in the control circuit
Symptom
Cause
CE
Power supply is
over 138V or below
195V
20
Actions taken
-
-
Actions taken
USA
Examine the state of
the power supply (See
90V
page 21)
• Do not use the com-
pressor in extremely
high temperatures.
• Examine the state of
the power supply
(See page 21)
• Never block a venti-
lation opening or use
the machine in a box
or a narrow place (in
a vehicle, etc.)
It is due to a failure on
the inverter or motor.
Send the machine to
your dealer or author-
ized service facility to
have their checkup or
repair.