Yamato GAS410, Instruction Manual

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39
8. In the Event of Failure…
Trouble Shooting
Symptoms Possible causes Countermeasures
The POWER does
not turn ON.  ELB is turned OFF
 Malfunction of the power supply
 The wire ire short-circuited.
 Malfunction of power switch
 Turn the ELB ON
 Check the power supply circuit
 Replace the cord
 Replace the power switch
The touch panel
operation screen will
not change even when
the unit is connected to
GAS410.

Imperfect connection of the connecting
cable

Connecting cable is defective

Connect correctly as per the
operation manual

Replace the cable
Blower does not
activate.  Incorrect
connecting of the
connector of blower
 Lubricating oil level is low
 Breaking of blower input cord
 Blower switch failure
 Blower or inverter failure
 Blower circuit failure and wiring
failure
 Connect correctly.
 Exchange oil periodically
 Replace the card.
 Replace
the touch panel,
sequencer or thermo regulator.
 Replace the blower or inverter
 Maintain or replace the part
The freezer does
not operate.  The delay timer is in operation
 Disconnection of the heater
 Touch panel or sequencer is
defective
 Freezer circuit and wiring are
defective
 Wait for five minutes and check
whether the freezer operates or
not
 Replace the heater
 Replace the touch panel or the
sequencer
 Repair the defective points or
replace the temperature controller
Spray pressure will
not increase.  Dial is set at 0
 Touch panel or sequencer is
defective
 Imperfect connection of the tube
 Compressor is defective
 Defective solenoid valve
 Compressor circuit or wiring is
defective
 Adjust the dial
 Replace the touch panel or the
sequencer
 Repair or replace the defective
points
 Replace
 Replace
 Repair the defective point
The value of oxygen
concentration
monitor cannot go
beyond 18%
 High altitude, low oxygen content
 Flowmeter of oxygen sensor is
blocked
 Pump failure
 Filter degraded or blocking
 Oxygen sensor failure
 Oxygen sensor board failure
 Use it at proper altitude or use
default oxygen concentration
 Replace the flowmeter
 Replace
 Replace the filter
 Replace
 Replace
Oxygen
concentration
will
not decrease.
 N2 supply source is defective
 Flow meter for introducing N2 is
clogged
 Imperfect connection of the tube
 Defective solenoid valve
 Touch panel or sequencer is
defective
 Take care so that oxygen
concentration will not decrease
 Replace the flow meter
 Repair or replace the defective
points
 Replace the solenoid valve
 Replace the touch panel or the
sequencer