Tripp Lite EMS Series owner manual Troubleshooting, Symptom Problems Corrections

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Troubleshooting

Try these remedies for common Inverter/Charger problems before calling for assistance. Call Tripp Lite Customer Service at (773) 869-1234 before returning your unit for service.

SYMPTOM

PROBLEMS

CORRECTIONS

No AC Output

Unit is not properly connected to utility power

Connect unit to utility power.

 

 

 

(All Indicator Lights Are OFF)

Operating Mode Switch is set to “OFF” and AC input

Set Operating Mode Switch to “AUTO/REMOTE” or

 

is present.

“CHARGE ONLY”.

 

 

 

 

This is normal when the Operating Mode Switch is set to

No correction is required. AC output will return when AC input

 

“CHARGE ONLY” and AC input is absent.

returns. Set Operating Mode Switch to “AUTO/REMOTE” if you

 

 

require AC output.

 

 

 

 

Circuit breaker is tripped.

Reset circuit breaker.

 

 

 

 

Unit has shut down due to battery overcharge (preventing

Disconnect any auxiliary chargers. Reset by moving Operating Mode

 

battery damage). The problem may be with connected

Switch to “OFF”. Wait 1 minute and switch to “AUTO/REMOTE” or

 

auxiliary chargers, if any, or with the unit’s charger.

“CHARGE ONLY.” If unit remains in shutdown mode after several

 

 

attempts to reset, contact Tripp Lite Customer Service for assistance.

 

 

 

 

Unit has shut down due to excessive battery discharge.

Use an auxiliary charger* to raise battery voltage. Check external

 

 

battery connections and fuse. Unit automatically resets when

 

 

condition is cleared.

 

 

 

 

Unit has shut down due to overload.

Reduce load. Reset by moving Operating Mode Switch to “OFF”.

 

 

Wait 1 minute. Switch to “AUTO/REMOTE” or “CHARGE ONLY”.

 

 

 

Battery Not Recharging

Connected batteries are dead.

Check and replace old batteries.

 

 

 

(AC Input Present)

Battery fuse* is blown.

Check and replace fuse.*

 

 

 

 

Battery cabling* is loose.

Check and tighten or replace cabling.*

 

 

 

 

Unit has shut down due to battery overcharge (preventing

Disconnect any auxiliary chargers. Reset by moving Operating Mode

 

battery damage). The problem may be with connected

Switch to “OFF”. Wait 1 minute and switch to “AUTO/REMOTE” or

 

auxiliary chargers, if any, or with the unit’s charger.

“CHARGE ONLY.” If unit remains in shutdown mode after several

 

 

attempts to reset, contact Tripp Lite Customer Service for assistance.

 

 

 

 

Charger Enable/Inhibit Switch inadvertently set to “INHIBIT.”

Set Charger Enable/Inhibit Switch to “ENABLE”.

 

 

 

 

Input circuit breaker is tripped.

Reset circuit breaker.

 

 

 

All Three Battery Indicator Lights

Battery is excessively discharged.

Use an auxiliary charger* to raise battery voltage. Check external

Are Slowly Flashing.

 

battery connections and fuse. Unit automatically resets when

(½ Second Flashes)

 

condition is cleared.

 

 

 

All Three Battery Indicator Lights

Battery is overcharged. Unit will shut down to prevent battery

Disconnect any auxiliary chargers. Reset by moving Operating Mode

Are Rapidly Flashing

damage. The problem may be with connected auxiliary

Switch to “OFF”. Wait 1 minute and switch to “AUTO/REMOTE” or

(¼ Second Flashes)

chargers, if any, or with the unit’s charger.

“CHARGE ONLY.” If unit remains in shutdown mode after several

 

 

attempts to reset, contact Tripp Lite Customer Service for assistance.

 

 

 

Red “LOW” Battery

Battery voltage is low. Unit has shut down to protect battery

If AC power (utility- or generator-supplied) is present, the unit will

Indicator Light Is Flashing

from damage.

automatically reset itself and start recharging connected batteries.

 

 

However, if an external charger is used to recharge the batteries,

 

 

you will need to manually reset the unit by by moving the Operating

 

 

Mode Switch to “OFF” for two seconds then returning it to

 

 

“AUTO/REMOTE”.

 

 

 

 

False reading due to undersized or insufficiently connected

Use sufficient size DC cable sufficiently connected to the

 

DC cabling.

Inverter/Charger.

 

 

 

Red “LOAD” Operation

Inverter is overloaded. Unit will automatically shut down

Reduce load. Reset by moving Operating Mode Switch to “OFF”.

Indicator Light Flashing

after 5 seconds.

Wait 1 minute. Switch to “AUTO/REMOTE” or “CHARGE ONLY”.

* User-supplied.

 

 

Regulatory Compliance Identification Numbers

For the purpose of regulatory compliance certifications and identification, your Tripp Lite product has been assigned a unique series number. The series number can be found on the product nameplate label, along with all required approval markings and information. When requesting compliance information for this product, always refer to the series number. The series number should not be confused with the marking name or model number of the product.

This product designed and engineered in the USA.

12E

200412020 93-2403

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Contents Better for Your Equipment Better for Your BatteriesBetter for You Limited Warranty Important Safety InstructionsFeature Identification Engine Run position. See p for connection instructionsSwitch Modes Indicator LightsResetting Your Inverter/Charger to Restore AC Power OperationConfiguration Set Configuration DIP SwitchesGroup a DIP Switches Group B DIP SwitchesEMS1012UL & EMS2012UL Models Battery Selection Select Auxiliary Battery Type if anyMounting Vehicular and Non-Vehicular Horizontal MountBattery Connection VehicularAC Input/Output Connection Service MaintenanceTroubleshooting Symptom Problems CorrectionsSpecifications Model Number EMS1012UL EMS1250UL EMS2012UL