20
7. BUZZER TYPES
In normal operation
In cases of abnormal operation
Buzzer sounds Symptom Actions taken
A one-time short beep sound (Pi)
At powering on -
When the quiet mode is switched -
LED
LAMP
Buzzer sounds
Cause
Actions taken
CE USA
1
Short
blinking
None
Power supply is
over 258V or below
195V
Power supply is
over 138V or below
90V
Examine the state of
the power supply (See
page 21)
Short beep sounds
(Pi, Pi, Pi, ...)
Power supply is excessively high or low
voltage
2
Long
blinking
Long beep sounds
(Pii, Pii, Pii, ...)
• Motor temperature went abnormally
high
• Temperature in the control circuit has
built up to an abnormally high level
• 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.)
3
Lightning
Beeping sounds
(Piiiiiii.........)
• Motor does not run
• Failure in the control circuit
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.
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