37
Power/Battery Charging Troubleshooting Guide
Symptom
Possible Cause(s)
Correction
External power is applied, but
Status is always IDLE or stuck in
BATT CHK
(Some of these symptoms are
more likely to occur when a new
set of batteries are installed)
1. Battery Type: NONE or ALKALINE
previously selected.
2. Batteries may be damaged,
defective,
missing, improperly installed or have
expired shelf life.
3. Contacts may be dirty or corroded.
4. External power may not be properly.
connected.
5. Non-AEA recommended power
pack.
6. Cells may be alkaline or carbon.
7. Deeply depleted cells may take
longer to
condition.
1. Set Battery Type and Battery
Capacity to match cell type.
2. Replace with new set of batteries
or install cells per polarity guides.
3. Clean or replace contacts.
4. Check external power (wall switch
off, bad plug, broken cord, etc.).
5. Use correct power pack.
6. Set battery type to ALKALINE.
7. Have patience, recheck status in
one hour.
Operational time is getting
shorter with each use.
Cells may be at or near mfg limit for
number of recharges (nominal 750
times).
Lengthen recharge time, if no improvement
replace cells with 8 new AA rechargeable cells
Not very old cells stop recharging
1. Battery Type: NONE or ALKALINE
selected.
2. Charging power is not sufficient or
not on.
3. Battery Temperature too HOT or
COLD.
4. One or more cells is installed with
polarity
reversed.
5. Batteries are damaged, missing, or
have
dirty contacts.
1. Set Battery Type and Battery
Capacity to match cell type.
2. Correct AC or DC input to TDR.
3. Recharge at room temperature.
4. Align all cells polarity per battery case
Diagram.
5. Examine batteries and contacts
correct any issues.
TDR auto powers down when
batteries still workable
1. By design to protect the cells & TDR
from
damage by operating at too low
voltage.
1. Operate on external power or
change to fresh cells.
Charger goes directly to IDLE or
TRICKLE
Cells may already be fully charged
Use battery power only & check Battery Status
for full charge (>11v).
Charger Status jumps from BATT
CHK to IDLE
1. Cells may be missing, damaged or
Defective.
2. One or more cells is installed with
polarity
Reversed.
1. Replace with new set of batteries.
2. Align all cells polarity per battery case
Diagram.
Contact Us
If the troubleshooting tips do not resolve TDR issues or other questions arise please contact us
by phone or email;
Tel: 1-800-258-7805 US & Canada, +1-760-931-8979 all locations. Office hours are 7:00am to
4:30pm Pacific Time Monday – Friday.
Email:
.
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