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42

 

5.4.4 Static Impedance Characteristic Of PCB board.

   

After find out the failure board, to find out the broken component, you can measure the 

impedance of the major components with multimeter. Following tables record Static Impedance 

Characteristic Of PCB board for reference.

   

5.4.4.1 PSDR Board 

a. IP Rectifier parts: 

Item 

Checked components 

DVM Function  Reference Value 

Fail Condition 

1 F301, 

F302 

Ω

 

0

Ω

 

open 

(A, K) 

Ω

 

≈

1.4M

Ω

 

short 

2 

Q301 
Q302 

(G, K) 

Ω

 

≈

10

Ω

 

short 

b. Voltage boosting parts:

 

Item 

Checked components 

DVM Function  Reference Value 

Fail Condition 

(E, C) 

Ω

 

≈

800k

Ω

 

short 

1 

Q306, Q308

、

Q310 

Q307, Q309

、

Q311 

(G, E) 

Ω

 15.8k

Ω

 

short or open 

2 D308, 

D310  DIODE 

≈

0.35V 

0V 

3 

R325, R331, R334, R342

、

R337

、

R328 

Ω

 10

Ω

 

open 

4 

390, R388, R389

、

 R393

、

R392

、

R391 

Ω

 2.2

Ω

 

open 

4 

D302, D304, D306, D303

、

D305

、

D307 

DIODE 

≈

12

Ω

 

open 

c. Battery switch parts:

 

Item 

Checked components 

DVM Function  Reference Value 

Fail Condition 

1 

F303

、

F304 

Ω

 

0

Ω

 

open 

(A, K) 

Ω

 

≈

2.5M

Ω

 

short 

2 Q305 

(G, K) 

Ω

 

≈

10

Ω

 

short 

d. INV parts:

   

Item 

Checked components 

DVM Function  Reference Value 

Fail Condition 

1 Q201, 

Q202, 

(E, C) 

Ω

 

≈

100k

Ω

 

short 

Содержание Elipse Series

Страница 1: ...1 SERVICE MANUAL EL 6 10K Forza...

Страница 2: ...6 The automatic UPS switch 10 4 2 7 The maintenance bypass switch 10 4 2 8 The battery switch 11 4 2 9 The battery charger 11 4 2 10 The controller 11 4 2 11 The auxiliary power supply 11 4 2 12 The v...

Страница 3: ...t 37 5 4 2 Fault code definition and possible points 38 5 4 3 Quick Problem Identification process 41 5 4 4 Static Impedance Characteristic Of PCB board 42 5 5 COMPONENT LEVEL REPAIR 44 5 6 TEST AFTER...

Страница 4: ...point of view please refer to section characteristic of the product Construction of the product how many pieces of PCB do the product make up please refer to construction of the product Functional blo...

Страница 5: ...er service check all the wiring fasten all screws and connectors verify the polarity of batteries polarity of the DC BUS Cap have been correctly connected before applying power supply to the UPS and r...

Страница 6: ...ians to repair and adjust a problematic UPS If the UPS still does not work properly please contact with us and we will be glad to help in solving any problems you met Because of the following unique f...

Страница 7: ...over please follow steps and figures below STEP 1 Remove all the screws including those on the opposite side of the case refer to Figure 3 1 STEP 2 move the top cover and side cover upward as shown in...

Страница 8: ...SCR O P EMI FILTER MB SW Controller Power Supply SPS Communication Interface Ventilation Chassis Figure 4 1 1 Functional block diagram The dashed indicates the interconnection of long backup time mod...

Страница 9: ...ifier module rectifies the AC mains input into DC power of half waveform The rectifier remains in off state under battery mode 4 2 4 The voltage Booster module In line mode the voltage Booster boost t...

Страница 10: ...the transfer between bypass and inverter output without any interruption zero transfer time 4 2 7 The maintenance bypass switch The Maintenance Bypass switch is a mechanical rotary switch In normal co...

Страница 11: ...ontrols all of action of the UPS response and feedback to the query or action command of the communication interface Basically the controller includes the CPU Central Processing Unit which collects an...

Страница 12: ...en the UPS and UPS The communication interface carries parallel operation control signal and common communication signal 4 2 12 The ventilation module To keep the UPS safely running the ventilation sy...

Страница 13: ...ent hereafter is explanation of the PCB 4 3 1 Control Board Control board contains circuit implemented of the controller of the UPS Figure4 3 1 1 is a photo of the Control board Figure4 3 1 1 The Cont...

Страница 14: ...provides comprehensive information of the UPS Figure 3 3 1 is a photo of a LED panel 4 3 4 O P EMI board I P EMI board O P EMI Board and I P EMI Board is the EMI filter local in input and output end o...

Страница 15: ...gure 4 3 4 3 EL 10K s O P EMI 4 3 5 Charger Board Charger board contain the charger circuit Use for charging the bat Figure 4 3 5 2 Charger of standard model Figure 4 3 5 2Charger of long backup time...

Страница 16: ...16 4 3 6 Parallel Board Parallel board is a dedicated board comprises parallel communication circuit Figure 3 6 Figure 4 3 6 3 Para board of 6 10K...

Страница 17: ...ystem topology and wiring diagram For helping understand the electrical construction of the UPS system For more detail of the circuit and wiring connection of all PCB please refer to maintenance schem...

Страница 18: ...18 Figure 4 5 EL6KS EL10KS UPS configuration diagram...

Страница 19: ...al charge on the CAPs inside the UPS 4 A tool box include Wire cutters and clamps of different shape Cross screwdrivers Straight screw drivers sleeve spanner of difference diameter solder iron and sol...

Страница 20: ...20 Configure the COM1 or COM2 properties as figure 5 2 1 1 b figure 5 2 1 1 b 1 Change the ASCII setup as figure 3 figure 5 2 1 1 C...

Страница 21: ...yper terminal Normally after type a command the acknowledge of the UPS will be displayed on the next row For example UPSID setting command response with a OK on the next row represent action to set th...

Страница 22: ...re MCU Firmware query command Computer send VERMR32 CR UPS reply VERMR32 NNNNN NN CR Means Display version of MCU firmware Positive DC BUS BUS voltage calibration command Computer send BUSP XX CR or B...

Страница 23: ...alance 32 15 1C 10 11 Inverter Fault INV Soft Fail 8D 04 0B 42 52 OP short Fault 0F 0F 0F 0F Over Temp Fault 33 06 0A 43 53 Overload Fault 35 03 09 45 55 Bat SCR Short 0D 0D 0D 0D 0D Communication Fau...

Страница 24: ...to 9 The unit is degree in centigrade m UPS running status before fault b7b6b5b4b3b2b1b0 b7b6b5b4b3b2b1b0 is one byte of binary information Each bit is transferred into ASCII code bn is a binary numb...

Страница 25: ...mode automatically operation the panel to turn the UPS off to bypass before the turn the MBS 4 Switch off the mains input breaker on the rear panel of the UPS Disconnect battery input 5 Disassembly t...

Страница 26: ...be saved into the memory of the UPS 14 To make sure the calibration has been saved you can turn on the UPS again and check the BUS voltage and Inverter output voltage once again 15 Switch off the main...

Страница 27: ...each piece of battery should no sign of leakage of acid or deformation Voltage of each piece of battery should be checked if there is any piece has obvious voltage Difference 2V from the rest Recomme...

Страница 28: ...arry out in an In depth inspection 5 3 1 3 PCB replacement For update or repair purpose PCB replacement needs to be carried out Hereafter is recommending procedure to replace a PCB 1 Stop all power su...

Страница 29: ...rd can be referring to the procedure of replace a PCB stated in previous section 5 3 2 Parallel Maintenance Operation Recommending wiring of parallel operation system shown in figure 5 3 2 figure all...

Страница 30: ...e UPS to maintenance bypass switch from UPS state to BPS state 7 Remain the mains input breaker on the rear panel of the UPS off Turn on the EXTERNAL input breaker of the UPS Check the output voltage...

Страница 31: ...n on the UPSs and the system work in parallel operation 5 3 2 2 Operating procedure of adding a new UPS to the parallel system 1 Prepare the input and output cables the input output breaker switch and...

Страница 32: ...value between JP1 and JP2 to check if the resistor is short circuit If the voltage difference is more than 1V the output relay of the UPS may have problem and can not be closed 16 Measure the voltage...

Страница 33: ...rallel cables of the remained UPSs in parallel correctly connected to get most safety the parallel cable should be connect from a close ring in the parallel system after checking cable has been correc...

Страница 34: ...S when the UPS parallel system is going to be in INV mode 3 Normally when maintenance bypass switch is open the UPS will transfer to bypass automatically and the maintenance bypass switch can be opera...

Страница 35: ...but maybe highest cost b Board level Find out which PCB board get fail and replace the PCB board It will take medium time medium cost to finish the troubleshooting c Component level Find out which co...

Страница 36: ...nd direction of finding the problem according the information got Section 5 4 1 provides a general guidance to selection the start point In most case from the fault warning code presented on the displ...

Страница 37: ...the UPS Can the UPS be turned on Following instruction Test after repair Yes Yes Follow the display message explanation and solution table Start PCB board static checking process Yes Yes Check with p...

Страница 38: ...onment over load or bad ventilation Make sure the ambient temperature should within the operation ranged and the ventilation should not be blocked Otherwise the there may be some hardware failure 1 6...

Страница 39: ...eplace a parallel cable 3 Output power wiring of each UPS should be equal 1 3 4 5 6 Keep Beeping Error Model Model Pin configuration error the CPU does not recognize the configuration Ensure the model...

Страница 40: ...v LED green LED Whenever the INV LED is turned on it shows that the loading current is supplied from utility power or battery via the inverter z Battery LED orange LED Whenever the battery LED is turn...

Страница 41: ...41 5 4 3 Quick Problem Identification process Figure 5 4 3 1 Quick problem identification process...

Страница 42: ...1 4M short 2 Q301 Q302 G K 10 short b Voltage boosting parts Item Checked components DVM Function Reference Value Fail Condition E C 800k short 1 Q306 Q308 Q310 Q307 Q309 Q311 G E 15 8k short or open...

Страница 43: ...902 F903 F904 F905 F906 0 Open S D 1 7M Short 2 Q907 Q908 G S 32 Short or open 3 D901 D902 D903 DIODE 0 4V 0V A K 20M Short 4 Q909 G K 42 Short 5 4 4 3 Charger of long backup time model Item Checked c...

Страница 44: ...e and connector right to place Please Note the label mark the designation of terminal connector the wire cable should be connected to 2 Check the Wiring again 3 Apply DC Power from power source with c...

Страница 45: ...ower source 1 Make sure all power supply to the UPS remain off 2 Clip the voltage probe to the BUS N and BUS N for measurement of the DC BUS voltage 3 Set the DC power source current limiting threshol...

Страница 46: ...apply 9 Endurance test 1 Apply battery of suitable capacity to the battery input of the UPS 2 Control the mains input to turn on off with timer control contactor or equivalent equipment 10s on 2s off...

Страница 47: ...OUTPUT Output Waveform Pure Sinewave To AC Mode EFFICIENCY To Battery Mode 84 Battery Type Panasoinc 12V 7Ah Panasoinc 12V 9Ah Numbers of Batteries 20 pcs 20 pcs Backup Time Full Load 7min 5min Recha...

Страница 48: ...kgs WEIGHT Rack Case kgs N A Operating Environment 0 40 C Relative Humidity 20 95 NON CONDENSING ENVIRONMENT Noise Level 55dB 1 meter Smart RS 232 Software supports Windows 98 NT 2000 XP 2003 ME Linux...

Страница 49: ...The MODEL PORT JP01 of the second version 710 01902 02 or the later version CNTL board should be configured as follows Note 1 indicates that the jumper is connected 0 indicates that nothing is connec...

Страница 50: ......

Страница 51: ...51...

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