Troubleshooting
SP40S Multi-Function Communications System
65
System status is indicated to the visual indicators on the user interface, the internal Trouble
Sounder, and the Trouble and AC Trouble Form "C" relay contacts. If the AC (primary
power) is removed or low, the trouble the panel responds as follows:
Turns "ON" the AC Trouble LED indicator on the user interface.
Turns "ON" the System Trouble LED indicator on the user interface.
Turns "ON" the internal sounder.
Changes the state of the Form C AC Trouble contact to the TROUBLE position.
Changes the state of the Form C General Trouble contact to the TROUBLE position.
(After 170 minutes if SW2-Position 2=ON or after 30 seconds if SW2-Position
2=OFF)
Any other trouble detected by the panel is reported as follows:
Turns "ON" the System Trouble LED indicator on the user interface.
Turns "ON" the internal sounder.
Changes the state of the Form C General Trouble contact to the TROUBLE position.
When there are no trouble conditions detected, the user interface has the POWER ON
indicator illuminated while the SYSTEM TROUBLE and AC TROUBLE indicators are
OFF. If the POWER ON indicator is not illuminated, check to see if D100 and/or D109 (on
the PC board) are illuminated.
Figure 26 shows the location of all trouble location LED indicators within the SP40S.
cross-references the trouble location LED indicators on the PC board to the proper
troubleshooting procedure.
NOTE:
When the System Trouble indicator is ON, indicating a panel Trouble, at least one
of the other yellow LED indicators is also ON, indicating the trouble location.
Содержание SP40S Series
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