Troubleshooting - Honeywell SYA14 Series Manual

Figure 5-2 Control Unit Printed Circuit Board
LED indicators
(supply voltage)
Use the tables below to determine the operating status of the protective safety equipment. To use the acoustic signal to
determine the protective safety equipment status, the buzzer switch must be set to the ON position (see figure above).
Table 5-2 FF-LS Status in Automatic Restart Mode (with power ON)
Beam Condition
• Red LEDs 5 and 7 flicker.
CLEAR
• Yellow LEDs 4 and 6 are always illuminated.
• Acoustic signal NOT present. (1)
• Red LEDs 5 and 7 flicker.
INTERRUPTED
• Yellow LEDs 4 and 6 are NOT illuminated.
• Acoustic signal present (short interval). (1)
(1) Buzzer switch ON.
Table 5-3 FF-LS Status in Start and Restart Interlock (Manual) Mode
Beam Condition
AT POWER UP
• Red LEDs 5 and 7 are always illuminated.
CLEAR
• Yellow LEDs 4 and 6 are NOT illuminated.
• Acoustic signal is always present. (1)
• Red LEDs 5 and 7 are always illuminated.
INTERRUPTED
• Yellow LEDs 4 and 6 are NOT illuminated.
• Acoustic signal is always present. (1)
DURING NORMAL OPERATION
• Red LEDs 5 and 7 are illuminated.
CLEAR
• Yellow LEDs 4 and 6 are always illuminated.
• Acoustic signal NOT present. (1)
• Red LEDs 5 and 7 are always illuminated.
INTERRUPTED
• Yellow LEDs 4 and 6 are NOT illuminated.
THEN RELEASED
• Acoustic signal always present. (1)
(1) Buzzer switch ON.
5.3

Troubleshooting

POWER APPLIED TO MACHINE CONTROL SYSTEM
Before intervention, turn off and disconnect power from FF-LS Series safety light curtain and machine.
Failure to comply with these instructions could result in death or serious injury.
107022-14 EN FR26 GLO 0100 Printed in Germany
Function
Output contact fuses
LED And Buzzer Status
LED And Buzzer Status
LED Indicators
(system condition)
Terminals
FF-LS Status and Remedy
• The FF-LS is operating correctly.
• Safety output contacts X1 and X2 are closed.
• The FF-LS is operating correctly, but needs a
clear beam status.
• Safety output contacts X1 and X2 are open.
FF-LS Status and Remedy
• The FF-LS is operating correctly but needs to
be restarted.
• Safety output contacts X1 and X2 are open.
• An object within the sensing field forbids the
effective restart of the FF-LS.
• Safety output contacts X1 and X2 are open.
• The FF-LS is operating correctly.
• Safety output contacts X1 and X2 are closed.
• The FF-LS is operating correctly but needs to
be restarted.
• Safety output contacts X1 and X2 are open.
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