Fuji Bikes 5000G11S/P11S instruction manual Overtemperature inside air, Overheating

(6) Overtemperature inside air

(7) External thermal relay tripped

(6)

Overtemperature at inside air

and overheating

.

and overheatingheatsinkheatsink.

External thermal relay tripped

Overtemperature

Overheating

at inside air OH3

at heatsink OH1

OH2

Overtemperature

Overheating

at inside air OH3

at heatsink OH1

Is between the control

YES

Is between the control

YES

terminals 13-11 closed?

terminals 13-11 closed?

NO

NO

Check the temperature of

Remove the short circuit.

Is PTC MODE

NO

H26 enabled?

the heatsinkCheckusingthealarmtemperature of

YES

the heatsink using the alarm

information displayed

on the keypad panel.

information displayed

Is the cooling fan

on the keypad panel.

NO

Incorrect motor load or

for mixing inside air

YES

Check the keypad panel display.

rotating?

Is PTC operating?

inadequate cooling.

YES

(40HP or more)

Check the motor side.

Display limit or not?

NO

30HP or less: 20 degrees C.

FaultyYES(30HPdetectionor less)

Does the heatsink

YES

(40HP or more: 50 degrees C)

temperature indicate

Faultycircuitdetectionon PCB.

NO

circuit

PCB.

Is PTC level

NO

Set to correct

Contact Fuji Electric.

Contact Fuji Electric.

H27 set correctly?

value.

NO

Is the peripheral

YES

temperature of the

NOYESMake peripheral

inverter –10 degrees C

load.

Is the load excessive?

Reduce

or less ?

temperature of the

Is the external circuit

NO

Change to regular

inverter to meet

YES

NO

(including constants)

the specification.

external circuit.

regular?

YES

Is the load excessive?

Reduce the load.

YES

Is the cooling

NO

Replace the cooling fan.

NO

fan rotating?

NO

Is the cooling

Replace the cooling fan.

fan rotating?

YES

Faulty inverter or error

YES

due to noise, etc.

Is theIscoolingthe coolingfan

air

YES

Remove obstacles.

Contact Fuji Electric.

for mixing inside air

NO

Replace the cooling fan

passage blocked?

for mixing inside air.

rotating?

(40HP or more) NO

YES(30HP or less)

Is the ambient

YES

Faulty inverter or error

Is the cooling air

Remove obstacles.

passagetemperatureblocked? within

YES

due to noise, etc.

Is data input to

the specification?

Contact Fuji Electric.

NO

the control terminals

Faulty inverter or error

Is the ambient

NO

YES

THR-X1 to X9?

NO

Connect the alarm

due to noise, etc.

temperature within

Are alarm signals from

Contract Fuji Electric.

signal contact.

the specification ?

external equipment

Arrange peripheral

conditions to meet

no

input to the terminals

Arrange peripheral

and the CM?

the specification.

conditions to meet

the specification.

YES

(8) Inverter unit overload and motor overload
			Is the alarm function
					Remove the cause
			of the external	NO
					of alarm function
			equipment operating
	Inverter unit	Motor overload			activation.
			correctly?
	overload OLU	OL1, OL2

YES

Do the characteristics				Faulty inverter or error
				due to noise, etc.
of the electronic thermal		NO	Connect a thermal
				Contact Fuji Electric.
O/L relay and motor			O/L relay externally.
overload match?
	YES
Is the electronic thermal		NO
			Set to the correct level
O/L relay setting correct?

YES
Is the load excessive?	NO
YES

Faulty inverter or error due to noise, etc.

Contact Fuji Electric.

Reduce the load or increase inverter capacity

7-3