FEC DSP1500 (SAN3) - Manual (Page 126)

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enFORCE Operation Manual
8.8 Internal Errors [ A7_* ]
• Code A7_0 - INTERNAL ERROR / INTERNAL POWER SUPPLY ABNORMAL
The controller internal power supply circuit is not working properly.
CAUSE:
1. The controller internal power supply has failed.
2. If the environment temperature is more than 122 degrees Fahrenheit (50 degrees
centigrade).
3. Source voltage is very close to the limit (242 VAC) and the environment temperature is also
close to the limit.
RECOVERY:
1. Replace the controller.
2. Provide additional cooling to the enclosure.
3. Verify and correct the source voltage as required.
• Code A7_1 - INTERNAL ERROR / SIGNAL TIMING ERROR
The controller received a start signal from the PLC while the SAN Unit was busy.
CAUSE:
1. Not enough time delay between a cycle finished and a press cycle start signal.
2. SAN controller failure.
RECOVERY:
1. Add a minimum of 0.3 second delay from a cycle finished to a press cycle start.
2. Replace the SAN controller.
Chapter 8: Troubleshooting