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17

9. Troubleshooting 

 

Problem 

Possible Cause 

Action to take 

Switch on the display board fail 

Replace the display PCB 

Per Battery voltage less than 9V 

Recharge the ups at least 8 hours, or change 

the battery. 

UPS can’t turn on 

( LED not light) 

PCB failure 

Replace the PCB 

Battery failure 

Replace the battery 

PCB failure 

Replace the PCB 

UPS can’t turn on 

( LED light) 

Transformer failure 

Replace the transformer 

AC Fuse or breaker open 

Replace the AC fuse in inlet or reset the 

circuit breaker. 

PCB Failure 

Replace PCB 

UPS always at 

battery mode 

Transformer failure 

Replace the transformer 

Battery not fully charged 

Recharge the UPS at least 8 hours   

Battery too old 

Replace Battery, call for service 

Back up time too 

short 

PCB failure 

Replace PCB 

Buzzer continuous 

beeping 

Overload Replace 

PCB 

   

 

 

 

 

Summary of Contents for Imperial Series IMP-425AP

Page 1: ...S Se er rv vi ic ce e M Ma an nu ua al l Imperial Series Model IMP 425 525 625 825 1000AP IMD 425 525 625 825 1000AP IMP 1025 1200 1500 2000AP IMD 1025 1200 1500 2000AP ...

Page 2: ...Replace Procedure 10 5 1 Replacement Procedure for IMP IMD 425 1000AP 10 5 2 Replacement Procedure for IMP IMD 1025 2000AP 11 6 Disassembly Procedure 12 6 1 Disassembly procedure for IMP IMD 425 1000AP 12 6 2 Disassembly procedure for IMP IMD 1025 2000AP 13 7 Test Adjustment Procedure 14 7 1 Charger Voltage Test 14 7 2 Backup Capacity Test 14 7 3 Transfer Point Test 15 7 4 Startup On Battery 15 7 ...

Page 3: ...nder direct sunshine or close to heat emitting sources 6 This UPS is intended for installation in a temperature controlled indoor area free of conductive contaminants 1 2 Important Safety Instructions This manual contains important safety instructions Keep this manual handy for reference For continued protection against the risk of fire replace with the same type rating of fuses While testing the ...

Page 4: ... incoming line frequency and configure itself to match that frequency Smart Buck and Boost Line Conditioning The voltage from your AC power source can fluctuate above and below the standard rating This microprocessor controlled UPS provides line conditioning via both buck step down voltage and boost step up voltage functions For example if your normal voltage is 120V and the voltage fluctuates up ...

Page 5: ...input output voltage and current frequency battery voltage etc and analyze power problems If software is not part of your UPS package you can purchase it from your local dealer Schedule Shutdown Startup Using software you can locally or remotely control the shutdown and startup of equipment connected to the UPS A customized schedule can be developed to meet your specific requirements Data Line Sur...

Page 6: ...0 60 220 230 240V 495W 100 110 115 120V IMP IMD 1000AP 50 60 220 230 240V 550W 100 110 115 120V IMP IMD 1025AP 50 60 220 230 240V 615W 100 110 115 120V IMP IMD 1200AP 50 60 220 230 240V 720W 100 110 115 120V IMP IMD 1500AP 50 60 220 230 240V 900W 100 110 115 120V IMP IMD 2000AP 50 60 220 230 240V 1200W Input Voltage Range Upper Limit Rated Voltage 25 Buck Rated Voltage 9 Boost Rated Voltage 9 Lowe...

Page 7: ...ry half second Overload Continuous buzzer UPS faulty Continuous buzzer Battery and Charger Battery type Maintenance free sealed lead acid Recharge time 6 to 8 hours typical from total discharge The UPS may be used immediately after discharge but will provide shorter backup time Battery Specifications IMP D 425AP IMP D 525AP IMP D 625AP IMP D 825AP IMP D 1000AP IMP D 1025AP IMP D 1200AP IMP D 1500A...

Page 8: ...334 168 6 4 6 9 IMP IMD 1000AP 105 334 168 6 5 7 0 IMP IMD 1025AP 130 382 192 13 4 14 8 IMP IMD 1200AP 130 382 192 13 4 14 8 IMP IMD 1500AP 130 382 192 13 6 15 0 IMP IMD 2000AP 130 382 192 14 5 15 9 3 3 Environmental Specifications Operating Storage and Shipment Temperature 0 40 C 32 104 F 20 60 C 4 140 F Humidity 0 95 non condensing 0 95 non condensing Altitude 3 000 m 10 000 ft Max 12 000 m 40 0...

Page 9: ...he UPS Input Frequency Indicates the actual Input frequency of the UPS Output Frequency Indicates the actual output frequency of the UPS Battery Voltage Indicates the actual output DC voltage of the UPS battery Load Percent Indicates the percentage of UPS Voltage Ampere VA capacity being utilized by your equipment The Imperial Series also supports software which relies on basic contact closure sig...

Page 10: ...b9 Pin assignments Pin No RS 232 Signal Contact Closure Signal 1 2 Tx UPS Computer 3 Rd Computer UPS Shut Down 4 12V Computer UPS 5 GND GND 6 AC failure 7 12V Computer UPS 8 Battery Low 9 Tx Short with pin2 ...

Page 11: ...25 1000AP Optional function 1 Remove the two screws on the battery cover 2 Pull and open the cover as the following illustrations Gently pull out the battery 3 Disconnect the two wires connecting the battery to the UPS 4 Connect the wires to the new battery making sure that the red wire is connected to the red battery terminal and the black wire is connected to the black battery terminal 5 Push th...

Page 12: ...onnecting the battery pack to the UPS 6 Connect the wires to the new battery pack making sure that the red wire is connected to the red battery terminal and the black wire is connected to the black battery terminal 7 Push the new battery into place 8 Reposition the battery retaining plate and tighten the screws 9 Slide the front panel back into place 10 Tighten the two small screws on the bottom o...

Page 13: ...ove the 6 screws on the bottom Open the top cover 6 1 2 Remove the battery wire Remove the black wire from PCB to battery 6 1 3 Removal the PCB and Transformer Take off all the wires on the PCB Remove all the screws on the PCB Take off the PCB Take off the transformer 6 1 4 Remove the rear panel Remove the 4 screws on the real panel Take off the rear panel ...

Page 14: ...er Removal Turn the UPS off and unplug it from the utility line Remove the front panel and disconnect the LED wire Remove the battery cover Pull the battery out from the chassis 6 2 3 Removal the PCB and Transformer Take off all the wires on the PCB Remove the 5 screws on the PCB Take off the PCB Remove the 4 screws on the transformer Take off the transformer ...

Page 15: ... If not adjust VR1 7 2 Over Load Test Set the AC power source to the rating voltage Plug the UPS into an AC power source and turn the UPS on Connect a true RMS power meter to the output of the UPS Connect the SPS load to the output Add the SPS load slowly till the UPS over load alarm Use the following chart to verify the power handling capabilities of the UPS Load Product Name Overload Alarm AC Mo...

Page 16: ...100V 110V 115V 120V 220V 240V 240V Hi to INV 122 128 134 141 140 147 146 154 268 282 281 294 293 307 INV Hi recover 118 124 130 136 135 143 142 149 260 273 271 285 283 298 Buck 106 112 117 123 122 129 127 134 233 246 244 258 254 269 Buck Recover 103 109 113 120 118 125 124 131 227 240 237 251 247 262 Boost Recover 91 97 100 107 104 112 109 116 200 213 209 223 218 233 Boost 88 94 97 103 101 108 106...

Page 17: ...16 8 Function Block Diagram 8 1 Main structure 8 2 Control circuit ...

Page 18: ...the battery PCB failure Replace the PCB UPS can t turn on LED light Transformer failure Replace the transformer AC Fuse or breaker open Replace the AC fuse in inlet or reset the circuit breaker PCB Failure Replace PCB UPS always at battery mode Transformer failure Replace the transformer Battery not fully charged Recharge the UPS at least 8 hours Battery too old Replace Battery call for service Ba...

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