Frontier LP7500 - Page 406

4. Troubleshooting
4203
3/7
4203
Diagnosis appendix for the failures: Symptom due to the connection failure of wiring
J/P685 Connects to the refilling
water pump (CD-W, BF-W,
STB1-W, STB2-W, STB3-
W, STB4-W) and cleaning
pump 1 (N specification)
The refilling water pumps (CD-W, BF-W, STB1-W, STB2-W, STB3-W, STB4-W) and
cleaning pump 1 do not operate.
J/P686 Drive motor cooling fan,
exhaust fan, tank cooling fan
1, tank cooling fan 2, and
tank cooling fan 3
The drive motor cooling fan, exhaust fan, tank cooling fan 1, tank cooling fan 2, and tank
cooling fan 3 do not operate.
J/P687 Connects to the effluent float
switch.
No.00503-00000 Empty the Effluent Tank. occurs.
J/P688 Replenishment level sensor
(CD, BF, STB), Refilling
water tank level sensor
The following attention message is shown.
• No.00500-00000 Add water to the Refilling Water Tank. occurs.
• No.00502-00000 Add replenishment solution to the replenishment tank. occurs.
J/P689 Power supply from the
processor relay PCB
(AC24V)
The replenisher pump does not operate.
J/P690 Power supply from processor
power supply 2 (+24V)
The following attention message is shown.
• No.00500-00000 Add water to the Refilling Water Tank. occurs.
• No.00502-00000 Add replenishment solution to the replenishment tank. occurs.
• No.00503-00000 Empty the Effluent Tank. occurs.
The following error message is shown.
• No.05508-00000 The processing solution level is too low. occurs.
• No.05532-00000 The Processing Solution Safety Thermostat has activated. occurs.
• No.05533-00000 The Dryer Safety Thermostat has activated. occurs.
J/P691 Unused -
J/P692 Unused -
J/P694 Connects to the processor
status lamp.
The processor status lamp does not light.
J/P695 Connects to the conveyer
unit.
The conveyor unit does not operate.
J/P696 Connects to dryer lane
selection solenoid 1.
The following symptom appears when printing is started.
• No.05535-00000 Paper has jammed in the processor section. occurs when normal
printing is performed. (If Paper Leading Edge Advance is valid)
• When performing the dairy setup, No.05552-00004 Dryer Lane Select Guide operation
error. occurs.
J/P697 Connects to the sorter motor,
sorter home sensor, print full
sensor, manual sorter switch,
and manual sorter switch
lamp.
The following symptom appears when normal printing is started.
• The conveyer motor does not operate even though prints are output on the conveyer unit.
• No.05534-00001 Print Sorter Unit operation error. occurs when prints are output on the
conveyer unit.
J/P698 Power supply from processor
power supply 1 (VCC5V)
The following attention message is shown.
• No.00500-00000 Add water to the Refilling Water Tank. occurs.
• No.00502-00000 Add replenishment solution to the replenishment tank. occurs.
J/P699 Connects to the processor
control PCB.
The following attention message is shown.
• No.00500-00000 Add water to the Refilling Water Tank. occurs.
• No.00502-00000 Add replenishment solution to the replenishment tank. occurs.
• No.00503-00000 Empty the Effluent Tank. occurs.
• No.00515-00000 Set the Rack Stopper. occurs.
The following error message is shown.
• No.05508-00000 The processing solution level is too low. occurs.
• No.05532-00000 The Processing Solution Safety Thermostat has activated. occurs.
• No.05533-00000 The Dryer Safety Thermostat has activated. occurs.
Connector No. Symptom
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