TM 10-7310-241-12&P
Change 1 3-5
3-3. TROUBLESHOOTING INSTRUCTIONS FOR MODEL RAK-15 (Continued)
3-3.1. TROUBLESHOOTING INSTRUCTIONS FOR MODEL 471012
Problem
Probable Cause
Recommended Solution
No power
Vehicle's electrical system is
Connect electrical system.
Disconnected. Power shut off to
HWR circuit
Turn power on to HWR circuit.
HWR circuit breaker trips
Circuit is 15 amps or less.
Install HWR in a dedicated 20 A circuit.
Other equipment is installed in
the same circuit.
Ensure that the other equipment is
operating correctly, and that the total
current draw does not exceed circuit
capacity.
