Service manual

7: Troubleshooting Guide
CHRISTIE INC. CHRISTIE INC. - - 35/70 Service/PM Manual
July, 1997
READY DIAGNOSTIC TABLE
1-1
LED is on – CONDITION 1: LED #4 is on.
Step Diagnostic Result
1 If LED #4 is illuminated, close the Lower Buckle arm, press the NOT
RDY button, and ensure that the LED goes out. If the LED remains lit,
proceed to Step 2.
2 Check the buckle switch and associated wiring. If the LED still remains
lit, proceed to Step 3.
3 The 2267 keypad or the 2293 CPU/Main Logic card could be defective.
Repair or replace as necessary.
1-2
LED is on – CONDITION 2: LED #5 is on.
Step Diagnostic Result
1 If LED #5 is illuminated, close the Upper Buckle plate, press the NOT
RDY button, and ensure that the LED goes out. If the LED remains lit,
proceed to Step 2.
2 Check the buckle switch and associated wiring. If the LED still remains
lit, proceed to Step 3.
3 The 2267 keypad or the 2293 CPU/Main Logic card could be defective.
Repair or replace as necessary.
Table 7.8: READY Diagnostic Table