1485 Jacobs Rd.
Deland, FL 32724
386.738.7307
P/N 53-00549-100 Rev. C 032619
www.intellitec.com
Intellitec
SERVICE MANUAL
SMART EMS
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Trouble Shooting
If the following problems occur, proceed with their analysis in the order in which the steps are listed.
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 30 Amp Main circuit breaker in the EMS box to be sure it is set. Turn it 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 30 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.)
A. Check the 12 volt power to the EMS module.
1. Check 12 volt fuse in 12 volt distribution panel. Replace if necessary.
2. Check 12 volt, 3 Amp fuse on EMS 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 module to neutral bar is installed.
A. Reduce total current, appliance may be shed.
B. Check wiring to and from EMS module.
1. Check wiring from circuit breakers to EMS module.
2. Check wiring from EMS module to controlled appliance.
3. Check for power at associated EMS relay terminal.
A. Check wiring for shorts.
I.
No 120 volt appliances working.
II. 120 volts available at non-controlled appliances and receptacles. Controlled appliances do
not operate.
III. Some controlled appliances turn on, others do not.
IV. Branch circuit breaker trips when power is applied.
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