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LD301: Blinks ten times
Power source voltage
abnormally
abnormally noise
Danger! Quickly turn off the power
source and replace the SPM2.
No abnormally noise even
after replacing the SPM2.
Replace the control P.W.B.
All manuals and user guides at all-guides.com
AC196V-265V
Check the power source voltage
(terminal board, L/N terminal)
AC196V or less or
AC265V or more
Power source abnormally. Check
Connect the power source, then wait a
the power source.
few minutes, and forcibly turn on the
cooling. After the power relay goes on
(clicking noise)*1, check that the
374V or more
compressor does not work after the
LED blinks ten times*2, then within
three minutes check the voltage
between the SPM P1 terminal and the N
terminal on the abnormally cycle side.
urn off the power source, and ten minutes
Less than 10V
later remove the SPM CN13 cords (A cycle:
he SPM2 is broken.
white, B cycle: blue). hen check the DC
Replace the SPM2.
voltage between the (1) pin of the SPM CN13
and the N terminal within three minutes of the
DoesnÕt work even after
power relay being turned on.
the SPM2 is replaced.
Check the CN13 cord.
he control P.W.B. may be broken. Replace
the control P.W.B.
Check the wiring (diode stack
blue/yellow/gray/red CN13)
urn off the power source, and remove the yellow
and blue wires (A cycle) yellow striped and blue
striped wires (B cycle) from the diode stack.
DC277V
or less
Connect the power source, then wait a few minutes,
and forcibly turn on the cooling (clicking noise).
hen check the AC voltage between the blue and
yellow wires (A cycle) and between the blue striped
wire and the yellow striped wire (B cycle) within
three minutes of the power relay being turned on.
DC277V-374V
DC227V-374V
abnormally
Replace the CN13
cord.
Normal
Less than AC196V
or AC265V or more
AC196-265V
Block off the power source, and return the yellow
striped and blue striped wires to their former position.
hen remove the gray and red wires (A cycle) and
the gray striped and red striped wires (B cycle) from
the diode stack. Connect the power source, and
forcibly turn on the cooling (clicking noise). hen
check the DC voltage between the gray and red
wires (A cycle) and between the gray striped and red
striped wires (B cycle) within three minutes of the
power relay being turned on.
Less than DC10V
here is a diode stack abnormally.
Replace the diode stack.
* 1
he power relay does not turn on without an operation order. In
the case of a abnormally stop, the power relay turns off after
approximately three minutes.
* 2 Carry out each of the voltage checks in the three minutes
between the power relay turning on and turning off.
- 337 -
he power relay
is off. Replace the
control
power
circuit.
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