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Microprocessor-type digital elevation TESA Common Faults and exclusion method of regulation


Well, then check the flat cable is Ran-like touch: good place, if this is correct, the failure to rice in the counting circuit. Count can be replaced or repaired Tuen circuit boards. 5). Si Fu Xi's baby the display shows E. Remedy fault Qi A j: ① Emirates check switch SINT / EXT position is correct. Flat-shaped cable and then check the contact is good. ② Check the head force measurement accuracy of the measurement head and put on a dynamometer. In both directions, respectively, to promote the probe until the auditory and visual signals, then the indicated value dynamometer should be 2.5N to 3N. If this value can be compensated by adjusting the position of the spring the four screws to get this value. Oh, also measured by measuring the voltage to check the accuracy of head position, plug one end of the voltmeter CN8 4 feet, the other end to CN8's 2 feet, measure the head at steady state for the 0V, moving off when the test head F center to the limit. Voltmeter indication should be 4.8v to 5V. ③. If these tests were normal. Fault lies in the counting circuit boards or analog circuit board. Repair - or replace these circuits. 6). The display shows the E, and fault exclusion method: ① I may cover the amount of head movement speed excessively and tincture; ② glass scales may be too dirty, use an alcohol cleaning; ⑧ flat cable is bad form will also show E ・ ; ④ If the above are a normal fault on the circuit in counting or analog circuits. 4. Header part of the instructions: (1) monitor works, but the instruction sheet was no indication and fault troubleshooting: 1) First take a GT21/22 inductance measurement head to head inductance measurement GT21/22 an external force applied, the table in the direction input termination ... voltage meter test voltage changes, if there are changes in electrical Ju. L indicates the table is bad 『should be replaced. If the voltage did not change,[link widoczny dla zalogowanych], the failure to a circuit board in a dummy or connection wires. Examination, respectively. When simulates the circuit board after the subsequent repair or replacement of the instruction sheet to re-zero mechanical and electrical proofread zero adjustment, the method of the provisions of the operating instructions. (2) indicates incorrect positioning of the table indicates cause of the malfunction and troubleshooting: First, the mechanical zero. Usually pointer indicates the beginning of the Black Belt. Oh, here is if the header positive tone plastic screw. }]. IF it does indicate the location in the Black Belt; adjustment screw does not work if the header is broken. Should be replaced with a new table and then add apricot censorship head pointer after power should also refer to the starting position on the Black Belt; if the pointer does not indicate the correct position,[link widoczny dla zalogowanych], may not re-probe with a bad spring or compensation , the former with the dynamometer re-weight, which spring to overhaul the compensation or replacement. (3) No audio signal or visual signals and fault troubleshooting: First, check switch Yu Sa [NT / EXT position is correct. Then check the cable connection with the panel is a small pass, available with three tables Ohm file check: If the above are normal. In the analog circuit board should look for the problem. Power measurement i ~ 'AC / DC signal is normal,[link widoczny dla zalogowanych], as shown with digital voltage meter point and the point at B test, first digital voltage meter to the negative end to the R's side, the positive termination voltage meter Manifold 19 to 14 feet (the B point). DC voltage profile selection table, j indicates the value should be +2.5 V. If yes, get the value transferred Re. Then choose to share files voltage meter, which indicates the value should be between 0.6V and 0.7V. If on the adjustable R. . Get this value. When these two values is stable, then digital voltmeter test positive end to the c point, should be the same value and the DCAC. If yes. S and wind can be adjusted. To get this value, due to repeated adjustments affect each other to get accurate values. If no change in B point and c is the 1C19 bad points,[link widoczny dla zalogowanych], you can replace the lc chip. Figure 2 is a simulation of the circuit board assembly drawing. 2 Kids in three-phase three-wire power meter to determine the correct wiring easy way to Zhang Xianzu (Hunan ignored the study of the) phase three-wire active energy is only one correct wiring (see figure). And there are many connection errors. To quickly determine whether the meter is wrong terminal,[link widoczny dla zalogowanych], we use the following simple method. 『Jade c7 stop switch. Proof of the original wiring is definitely wrong meter. If the meter because the original wiring is correct, swap any two voltage into the line after. The power is calculated as follows: Figure 2 Head l (1) two-phase voltage AB swap (vector 1 in Figure 2a by the first of any form of power forward, said that if the original power) the power to: a table right through the three wire Fu swap any two voltage into the line of P-? ix, cos (150. a) after the three meter should be stopped. If there is a stop switch or a - Ulcos (30. +) Table Ⅲ № mantis,, ¨ a volume

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