Rs-232/Bluetooth Led Functionality And Troubleshooting - Rice Lake CLS-M Installation & Service Manual

9.4

RS-232/Bluetooth LED Functionality and Troubleshooting

MH1
TVS6
C5
R12
C23
C15
U14 U13
R7
R8
C11
C12
U4 U3
D4
MH2 R6
D4 - RS-232 serial activity,
flashing red for RX and
green for TX
LED 4 - Heartbeat, flashes green
for correct operation
TVS2
J3
C6
TVS5
U6
U12
JP1
R14
C24
U5
R16
D11
U8
LED6
Q1
R9
C14
R4
D3
J5
U2
U1
D3 USB activity
LED 6 - +5V - solid indicates USB
cable is attached
Figure 9-10. Bluetooth / USB PCB Schematic with Super-caps (PN 167218)
LED 3 - solid
indicates power is
supplied to junction
LED4
R13
LED 5 - Bluetooth link,
constant blue LED for
Bluetooth connection
LED3
R11
R75 R74
D10 D7
R10
C13
INSERT AND
BEND PART
TO 90 DEG.
GL1C13
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Spare Parts and Troubleshooting
LED 2 - +3.3V - solid indicates there
is enough power to Bluetooth RS-
MH4
LED2
R2
VR1
C2
D6
C1
D1
R1
F4
TVS7
R17
J1
C18
INSERT AND
BEND PART
TO 90 DEG.
MH3
GL2C18
LED 1
power in
from
power
supply
89