Thunder 6000
XR
Troubleshooting Guide – 5/23/18
Tarp system does not function and a red/orange flashing light is present on the RF
keypad, indicating an error code. See error code explanations below: Codes will
flash, pause, and repeat until problem is corrected.
a) Three flashes indicates an Overheat Protection issue. This typically occurs if the system has been
started and stopped rapidly in a short period of time. Also, it can indicate increased drag in the tarp
system causing excess amperage. Re-check the tarp system after a cool down period.
b) Four flashes indicates an Over Voltage Protection issue. Using a voltmeter, check the tractor
batteries & alternator for voltage exceeding 15.5 volts.
c) Five flashes indicates an Under Voltage Protection issue. Using a voltmeter, check the system for
low voltage. Also check all connection points for looseness and corrosion including battery
terminals, circuit breaker, power cord, and receptacle plug. Connect an alternate power source to
verify.
d) Six Flashes. Please contact Thunderstone immediately for assistance.
e) Seven flashes indicates there is not enough amperage or voltage to run the motor OR the drive motor
windings are shorted. MAY REQUIRE REMOVING POWER TO RESET.
(1) Connect an alternate power source to verify a low amperage/voltage problem.
(2) Make sure the battery is fully charged and the charging system on the truck or power supply is
running and working properly.
f) Eight flashes indicates com failure from the inner control box. Check com cable between RF keypad
and inner control box for damage.
Tarp system does not make a full cycle or closes/opens intermittently.
1. Two flashes indicates an overcurrent protection issue which is normal if the tarp fully opened or closed. If
not, check for obstructions in the operation of the tarp such as snow or ice buildup. This also could indicate
increased drag in the tarp motor or other motor problems causing premature tarp stoppage.
2. Remove the motor terminals and connect motor to a battery source using jumper cables to determine if the
motor labors or stops when direct power is applied.
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