II� Full Size Canister Troubleshooting Guide07�03�07
7
B� Step 6.
1� Check the wiring harness from the cord reel to the PC board:
On KV040526 and up the harness will split - the white lead will go to PC board and the blue lead to the thermal switch connector.
On KV040525 and below both harness leads will go to the PC board.
2� Install cord reel�
3� Ensure that power is dis-connected before you dis-connect the cord reel connector at PC board to prevent damaging the
connector�
4� Connect power cord to power source�
5� Plug test light into connector�
6� Check the connector end any for burnt spots inside the connector and the PC Board for any burnt spots on back�
If you have a KV040525 and lower, follow the same steps but do not test the thermal protector.
7� If you have power continue to Step 7.
8� If you do not have power:
• Model KV040526 and up – Change PC Board and check the LED light
• Model KV040525 and lower – follow same steps but do not test thermal protector�
9� Go to Step 7.
B� Step 7.
1� Check the LED blink rate�
2� If the LED is blinking slowly at 2 sec intervals skip to Step 13�
3� If the LED is blinking at a fast rate (0�5 sec intervals), make sure main wiring harness is securely connected�
4� Recheck the LED blink rate�
5� If the LED still blinking at fast rate? (0�5 second intervals) continue to Step 8, otherwise skip to Step 13.
B� Step 8.
1� Make sure the two-wire connectors on the PC connection board (under the switch pedal) are securely connected and that the
wires are secure in the connectors�
2� Verify that the hose is installed�
3� If the LED is still blinking at fast rate? (0�5 second intervals) continue to Step 9, otherwise skip to Step 13.
B� Step 9.
1� Remove cord reel pedal� (Do not lose pedal spring)
2� Remove eight (8) screws from the rear compartment bracket and remove the bracket from the top cover� (See Figure G. Cover
Assembly.
3� Remove dust compartment lid� (See page 5, A. Cover Dis-assembly Instructions�)
4� To inspect wiring the dust compartment lid must be separated from the dust compartment tool plate (See Figure H� Dust Cover
Assembly)� The hose cuff socket will have to be dis-assembled to check frame terminal assembly�
5� Inspect the wiring and connectors between the PC connection board and the hose cuff socket for damage or improper
assembly�
6� If the wires and connectors are in good working condition skip to Step 11, if not continue to Step 10.
B� Step 10�
1� Replace any bad wires or connectors�
2� Re-assemble top cover, tool plate, etc�
3� Check for proper operation�
4� If the LED is still blinking at fast rate (0�5 second intervals), continue to Step 11.
5� If the LED is blinking at normal rate – 2 second intervals, re-test the canister and re-assemble if good�
B. Canister Shuts Off or Will Not Power Up - Continued