9-15
Troubleshooting Operator Manual P129394-176
Alarm Description Screen with Operator Instructions
9.3.6 Input/Output
Board #1
Communication
Failure
The I/O board fails to
achieve communication
with board #1, #2 or #3
in the control box.
Screen with Service Instructions
Screen with Service Instructions
STATUS . . ALARM! 258
INPUT/OUTPUT BOARD #1
COMMUNICATION FAILURE
CHAMBER: 00.0 F 0.0 psig
LOAD: 000.0 C
STERILIZER WILL:
• AUTOMATICALLY ABORT CYCLE
OPERAT0R INSTRUCTIONS:
1. SILENCE ALARM
2. CALL SERVICE
STATUS
PRINT
SILENCE
ALARM
PAPER
FEED
SERVICE
HELP
STATUS . . SERVICE INFORMATION: 260
I/O COMMUNICATION FAILURE
-> THE CONTROL BOARD FAILS TO
COMMUNICATE TO BOARD #1, #2 OR #3
IN CONTROL BOX.
CAUSES AND CORRECTIONS:
1. LOOSE CONNECTION BETWEEN BOARD #1,
#2, #3 AND CONNECTION BOARD
-> RESEAT BOARD
2. LOOSE CONNECTIONS BETWEEN CONTROL
BOARD AND CONNECTION BOARD
-> RESEAT A BOARD
3. BOARD #1, #2 OR #3 DIP SWITCHES
CONFIGURED INCORRECTLY
-> REFER TO THE SERVICE MANUAL FOR
INFORMATION ON DIP SWITCH
SETTINGS OR CALL SERVICE
4. BOARD #1, #2 OR #3 OR FAIL
-> REPLACE
5. FAULTY CONNECTION IN CONTROL BOX
-> REPLACE CONTROL BOX
PAPER
FEED
EXIT
STATUS . . SERVICE INFORMATION: 261
INPUT/OUTPUT BOARD #1 FAILURE
-> SWITCHED NEUTRAL RELAY CIRCUIT
FAILED OPERATIONAL CONTACT TEST.
CAUSES AND CORRECTIONS:
1. WET S02, S35 OR S36 SOLENOID VALVE
CONNECTOR
-> DRY AND REPAIR CONNECTOR
2. SHORTED MACHINE WIRING CABLE
-> REPLACE CABLE
3. FAILED I/O BOARD
-> REPLACE I/O BOARD
4. FAILED BACKPLANE OR CONTROL WIRING
-> REPLACE BACKPLANE OR CONTROL
WIRING
NOTE:
REFER TO SERVICE ERRORS #113 - #118
AND BOARDS #1 LED D1 TO D3
EXIT
PAPER
FEED