— G2 transmission —
Code
0-50
CFR or MCF not detected within 5
seconds after phasing or image
information transmission
0-51
CFR or MCF carrier not dropped for 6
seconds or more
0-52
PIS detected but operator did not
respond
0-53
Confidential N/A because remote
terminal is G2
Meaning
Suggested Cause/Action
1. As for 0-20.
2. Measure the Tx signal level.
3. Incompatible remote terminal.
1. As for 0-20.
2. Incompatible or defective remote terminal.
3. Check MCF/CFR signal turn-off timing.
1. Check all connections inside the machine.
2. Check with the operator whether operator call tone
sounded.
3. Faulty stop key.
4. Check whether operator call is working. If not, replace
FCU.
5. If no ACK/NAK tones on pushing a key, change speaker.
1. As for 0-52, item 1.
2. Replace the FCU.
3. Replace the OP-PORT.
9 - 44