Frontier LP7500 - No. 05533 the Dryer Safety Thermostat Has Activated

4. Troubleshooting
45530
3/14
45530
Error: Processor 2
No. 05533
The Dryer Safety Thermostat has activated.
Error message release
YES
Condition
NOTE
• The dryer safety thermostat is activated at the following temperatures.
• When the dryer safety thermostat goes OFF, the dryer heater and dryer fan go OFF.
Check Point
Diagnosis
$ Symptoms due to connection failure of wiring/symptoms resulted from blowout of fuse
NOTE
• To access the wiring diagrams, click Wiring diagrams in Bookmarks.
Suffix number Condition
00000 The dryer safety thermostat turns off.
Status Temperature (°C)
OPEN(OFF) 90±2.8
CLOSE(ON) 70±4.4
1 Check if the dryer fan is rotating.
When the dryer fan rotates incorrectly Manual No.
Dryer fan
☞63260
When temperature is incorrectly adjusted Manual No.
Processor control PCB ☞66200
When the safety thermostat is defective Manual No.
Dryer safety thermostat ☞63260
Processor I/O PCB 1 ☞66210
Processor relay PCB
☞66220
Processor control PCB
☞66200
When temperature is incorrectly detected Manual No.
Dryer thermosensor
☞63260
Processor control PCB ☞66200
Processor relay PCB ☞66220
Processor power supply 2
☞67400
Symptoms due to the wiring connection failure Symptoms of fuse blowout
− ☞4203 ☞ 4252
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