Skipper DL850 - Installation Problems

Edition: 2017-09-25
Page 57 of 92
Chapter: 6. Trouble Shooting
Symptom Cause Remedy
Installation problems
Status screen shows
Handshake (HSIN HSOUT).
The LEDs on the power and trans-
mitter PCBs inside transceiver cabi-
net never turns on.
1. Transceiver unit power is o.
2. A pair HSOUTA/HSOUTB on the
display side or HSINA/HSINB on
the transceiver side is not connected
properly to the terminals or wrong
polarity of the connection.
3. Damaged communication cable.
1. Switch on the power in the
transceiver unit or check fuses.
2. Check connection and polarity of the
handshake lines.
3. Test/replace cable.
Status screen shows
Handshake (HSIN HSOUT)
The LEDs on the power and trans-
mitter PCBs are periodically turning
on and o.
1. A pair HSINA/HSINB on the display
side or HSOUTA/HSOUTB on the
transceiver side is not connected
properly to the terminals or wrong
polarity of the connection.
2. Damaged communication cable.
3. Bad connection of the transducer
cable.
1. Check connection and polarity of the
handshake lines.
2. Test/replace cable.
3. Check if the transducer is connected
to the transceiver unit terminal
according to colour diagram in
appendix.
Status screen shows
Transmit/Receive (TX RX)
1. No connection data lines to
the terminal (XMITA/XMITB,
RECEIVEA/RECEIVEB) or wrong
polarity of the connection.
2. Damaged communication cable.
1. Check connection and polarity of the
XMIT and RECEIVE data lines.
2. Test/replace cable.
Status screen shows
Transmit/Receive (TX RX)
Noise
1. Cable is not connected to ground or 0
Volt terminal.
2. Missing connection of one of the
RECEIVEA/RECEIVEB wires on
the display side or XMITA/XMITB
on the transceiver side.
1. Check cable screen.
2. Check connection of data lines.
Status screen shows
Transmit/Receive (TX RX)
Noise
1. Defective receiver PCB. 1. Replace receiver PCB.
Status screen shows
Transmit/Receive (TX RX)
Noise
1. Lock up of the transceiver micro
controller due to overheat or strong
source of noise close to transceiver
unit.
Note: Display cabinet will restart process
automatically.
1. Check environmental and noise
conditions in the area.
Operation and Installation DL850 270 kHz
SKIPPER Electronics AS