131 Eisenhower Lane North
Lombard, IL 60148
630.268.0010 / 1.800.251.2408
P/N 53-00684-200 Rev. A 071301
www.Intellitecsve.com
Intellitec
INSTALLATION & SERVICE MANUAL
TM
50 AMP Smart Energy Management System Model 900
Trouble Shooting
If the following problems occur, proceed with analysis in the order in which these steps are listed.
I. No 120 volt appliances working.
A. Check incoming power source.
1. Make sure the shore power cord is plugged into the outlet.
2. Check the circuit breaker at the shore power outlet to be sure it is set. Turn it off and then
back on to be sure.
3. Check the 50 Amp Main circuit breakers in the EMS Distribution Panel to be sure they are set.
Turn them off and then back on to be sure.
4. Using a circuit checker, be sure the 30 Amp shore power outlet has 120 volts available.
B. Check Change-Over relay, if so equipped.
1. Measure the voltage at the incoming side of the Main 50 Amp breaker. If voltage is NOT
the same as the incoming line, repair the change-over. (Refer to the change-over service
literature for trouble shooting.)
II. 120 volts available at non-controlled appliances and receptacles. Controlled appliances do not operate.
A. Check the 12 volt power to the EMS module.
1. Check 12 volt, 3 Amp fuse on EMS Control Module. Replace if necessary.
B. Check 120 volt circuit breakers in EMS.
1. Reset circuit breakers if necessary.
2. Check for presence of voltage at branch circuit breakers with voltmeter.
3. Check for presence of voltage at EMS terminals with voltmeter.
4. Check wire from EMS Control Module to neutral bar is installed.
III. Some controlled appliances turn on, others do not.
A. Reduce total current, appliance may be shed.
B. Check wiring to and from EMS Control Module.
1. Check wiring from circuit breakers to EMS Control Module.
2. Check wiring from EMS Control Module to controlled appliance.
3. Check for power at associated EMS relay terminal.
IV. Branch circuit breaker trips when power is applied.
A. Check wiring for shorts.
V. Air conditioner doesn't work.
A. Check thermostat wiring and settings.
B. Check air conditioner
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