Appendix C - Sentek SOLO Quick Reference Guide
Solo Head Unit & Probe Troubleshooting Guide
Copyright © 2008-2012 Sentek Pty Ltd All rights reserved
Page 21
S
S
O
O
L
L
O
O
H
H
E
E
A
A
D
D
U
U
N
N
I
I
T
T
&
&
P
P
R
R
O
O
B
B
E
E
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
G
G
U
U
I
I
D
D
E
E
Symptom/Error Message
Possible Cause of Failure
Possible Solution
Poor quality batteries
Replace with high quality alkaline or lithium batteries
Check battery covers are connected properly
Check for corrosion inside battery holder
Batteries not connecting properly
Batteries not inserted correctly
New batteries only showing low voltage in
PConfig
Interface fault
Replace interface
Old batteries
Batteries not inserted correctly
Lack of power
Power wires not connected correctly
Cable not connected
Make sure cable is firmly connected to computer COM or
USB port and to TTL port on interface.
Check for any corrosion.
Interface wiring
Make sure wiring is correct to interface
Blown fuse
Make sure power connection is correct, replace fuse
Cable connection with computer
Check cable is connected from TTL port to computer
COM port.
Try other Serial Port COM numbers, in the PConfig drop
down list.
Make sure USB to COM port drivers are installed.
Cannot connect to probe with Probe
Configuration Utility through TTL port
"Timeout occurred while trying to connect to the
probe"
Faulty PConfig USB cable
Replace cable
Hot (high temperature) Batteries
Batteries in Head Unit are in the incorrect
orientation and JP201 is installed
Remove JP201 from interface to protect against
incorrectly installed batteries (see
Figure 2 or Figure 3
).
Remove batteries & insert in correct orientation.
Poor quality batteries or Carbon-zinc
Use new alkaline or lithium batteries
Very short sampling interval
Increase sampling interval e.g. above 10 minutes
Batteries have gone flat faster than expected
Corrosion on interface or inside Head Unit
Check for corrosion, and replace corroded parts
