Troubleshooting
SP40S Multi-Function Communications System
66
Table 7 Trouble Procedure Cross Reference
Condition
Trouble Description
Troubleshooting
Procedure
D109 (POWER ON LED)
is
OFF
AC and Battery power are missing or Low
Section 8.2.1 (A)
D96 AND D97 are ON
Strobe Over current Protection is active
Section 8.2.2 (B)
D8 (BAT) is ON
Battery voltage is below 20.4 VDC or battery is missing
Section 8.2.3 (C)
AC TROUBLE (of display)
is ON
AC input voltage missing or low
Section 8.2.4 (D)
D3 (DV) is ON
Digital Voice Signal is too low or missing
Section 8.2.5 (E)
D4 (MIC) is ON steady
Push-to-Talk Microphone inoperable or missing
Section 8.2.6 (F)
D5 (AMP) is ON steady
Audio Over current Protection is active
Section 8.2.7 (G)
D96 (STB SHT) is ON
Strobe Notification Appliance Circuit is shorted
Section 8.2.8 (H)
D97 (STB OPEN) is ON
Strobe Notification Appliance Circuit is open
Section 8.2.9 (I)
D44 (AUX IN) is ON
Auxiliary input is open, RMX is in trouble, or remote
MIC is in trouble
Section 8.2.10 (J)
D2 (AUD SHT) is ON
Audio Notification Appliance Circuit is Shorted, Splitter
is in trouble, or Audio Booster is in trouble
Section 8.2.11(K)
D1 (AUD OPEN) is ON
Audio Notification Appliance Circuit is Open
Section 8.2.12 (L)
D67 (GF) is ON
Ground Fault Trouble
Section 8.2.13 (M)
D47 (INT TRB) is ON
User Interface is incorrectly connected or damaged
Section 8.2.14 (N)
D6 (EXT AC WIR) is ON
SPB SUP is open or Audio Booster has AC failure
Section 8.2.15 (O)
D5 (AMP) is blinking
Auxiliary preamp failure
Section 8.2.16 (P)
D4 (MIC) is blinking
Microphone preamp failure
Section 8.2.17 (Q)
D93 (CHG TRB) is ON
Battery voltage is below 18.5 VDC or battery is missing
Section 8.2.18 (R)
D55 (DV1) is ON
IN1 (DV input 1) is open
Section 8.2.19 (S)
D62 (DV2) is ON
IN2 (DV input 2) is open
Section 8.2.19 (S)
D58 (DV3) is ON
IN3 (DV input 3) is open
Section 8.2.19 (S)
D65 (DV4) is ON
IN4 (DV input 4) is open
Section 8.2.19 (S)
D75 (DV5) is ON
IN5 (DV input 5) is open
Section 8.2.19 (S)
D84 (DV6) is ON
IN6 (DV input 6) is open
Section 8.2.19 (S)
D78 (DV7) is ON
IN7 (DV input 7) is open
Section 8.2.19 (S)
D87 (DV8) is ON
IN8 (DV input 8) is open
Section 8.2.19 (S)
EXCESSIVE NOISE FROM
SPEAKERS
MOTHERBOARD MAY NOT BE PROPERLY
GROUNDED TO ENCLOSURE
Section 8.2.20 (T)
Before performing any of the following troubleshooting procedures, make sure that
you read, understand, and follow the preliminary troubleshooting information at the
beginning of this “troubleshooting” chapter.
Содержание SP40S Series
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