Shanghai Automatic Door Repair - Daily Automatic Door Maintenance and Automatic Door Troubleshooting  www.zitin.com.cn  telephone: +86 21 68568185

A. The door leaf jumps when opening or closing?

Possible causes:
(1) Foreign matter is jamming the upper track and lower track.
(2) Foreign matter is embedded in the wheels of the upper hanging pulley.

B. The door leaf opens and closes too slowly?

Possible causes:
(1) The controller speed is adjusted too slowly.
(2) The belt may be too loose.
3, Voltage Abnormal
(4) The moving door leaf may be rubbing against the track, against the fixed door leaf, or against the floor.
(5) The stopper wheel is rubbing against the track.

C. The door leaf collides when closing?

Possible causes:
(1) The speed is too fast.
2, Voltage Abnormal
(3) The motor's regenerative component may be damaged.

D. The door leaf cannot start?

Possible causes:
(1) Sensor failure; check whether the sensor's indicator light is normal.
(2) The wire connector is loose (short circuit).
(3) The belt has come off.
(4) The motor may be overheated; it will return to normal after cooling down.
(5) The controller is burned out.
(6) Foreign matter is jamming.
7, Voltage Abnormal

E. The door opens and closes by itself?

Possible causes:
(1) The sensor is malfunctioning.
(2) There is a moving object within the sensing range.
(3) The moving door panel hits an obstacle.

F. The door leaf shakes?

Possible causes:
(1) There is an obstacle or wear on the floor track or the anti-sway guide.
(2) There is wear or an obstacle on the moving hanger pulley and the track.

G. Precautions?

Possible causes:
(1) Do not lubricate the automatic door track and hanging pulleys; otherwise, the rollers on the hanger will slip, causing the door to collide.
(2) Please turn off the power when the door is not used for a long time.
(3) If an abnormality occurs, do not disassemble or reassemble it at will; please contact ** personnel.

Shanghai automatic door repair & maintenance - automatic door (sensor door, sliding door, curved door) repair, upkeep & maintenance scope                      

 , --****automatic doorsupplierShanghai Zitindoor controlbusiness divisionprovide  

1. Repair, maintenance and care of the drive section of automatic doors and sensor doors
a. Inspection, adjustment and replacement of the motor unit.
b. Inspection and adjustment of the tension pulley unit.
c. Inspection and replacement of worn tension pulley rollers.
d. Inspect and adjust the belt fixing device.
e. Inspect and adjust belt tension.
f. Inspect belt wear and replace as needed.
g. Inspect and adjust the brake.
h. Inspect the brake rubber pad and replace as needed.    

 2. Repair, maintenance and care of the hanging section of automatic doors and sensor doors
a. Inspect and tighten the motor housing.
b. Clean and inspect the track.
c. Inspect and adjust the roller assembly.
d. Inspect roller wear and replace as needed.
e. Inspect and adjust the anti-drop stabilizer clearance.
f. Inspect the anti-drop pad wear and replace as needed.
g. Inspect and adjust the anti-sway guide.
h. Inspection and replacement of anti-sway shims.   

3. Repair, maintenance and care of the control section of automatic doors and sensor doors
a. Inspect, adjust and replace sensors.
b. Inspect, adjust and replace the controller.
c. Inspect, adjust and replace the function expansion module.
d. Inspect, adjust and replace the electric lock.
e. Inspect, adjust and replace the power terminal block.
f. Inspection, adjustment and replacement of electrical wiring.       

4. Automatic door sensor door Whole Machine Repair Maintenance and Care
a. Adjust the door opening/closing speed.
b. Adjust the slow-down speed.
c. Adjust the opening hold-open time.
d. Check and adjust the sensor detection range.
e. Adjust the manual open/close resistance of the door leaf.
f. Adjustment for smooth door leaf operation.       

Automatic door repair & maintenance in Shanghai- - Automatic Door, Sensor Door, Sliding Door, Curved Door, Repair Maintenance and Care  

After-sales Service
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Maintenance & repair team
specializedofcustomersserviceteam, sensor doorprojectmaintenance, Automatic door repairprovide**oftechnologypersonnelguarantee.  

Fault response
Zitin customer service will dispatch technicians according to the fault level and urgency.
No.  Fault Level  Symptom 
P1  Critical  Entire system down 
P2  Major  Fault seriously affects system operation 
P3  Moderate  Fault affects efficiency but the system still runs 
P4  Minor  Some secondary functions have failed 

Maintenance and repair service within the warranty period
Except for human factors (such as mechanical damage) and other force majeure (such as earthquakes and floods), we provide maintenance and warranty services for all equipment provided by our company, with a maintenance and warranty period of one year. During the warranty period, all maintenance, repair or replacement of automatic doors and sensor doors is free of charge.

Maintenance and repair service after the warranty period
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Regular maintenance and **s
Shanghai Zitincanaccording tocustomersofneedcarry outofAutomatic door sensor door, e.g.etc., provide**of, Bycustomersin timeprojectequipmentof, customersbusinessof.      

Customer training
We firmly ** that providing technical training within customers' sensor door and automatic door projects is essential, and it is an important part of Zitin's automatic door and sensor door maintenance and repair services.

Panasonic authorized distributor certificate, specialty store certificate and technical service center certificate for automatic door hardware

www.panasonic-autodoor.com  www.zitin.com/panasonic

Shanghai Zitin automatic door control division

Automatic Door Control Division, with intelligent door-control systems (Automatic Revolving Door, Automatic Sliding Door, Medical doors, airtight doors, Emergency escape automatic door, Villa automatic gate openeretc.Automatic Sensor Door, Access Control System) and door-control system hardware (Door Closer, Floor Spring, Door Clamp, etc., andDoor Control Small Hardware) as its main business, together with a ** installation team. It is a leader in Shanghai's door control industry, working alongside imported brands and well-k**n ** brands (such as:Panasonic,DORMA,GEZE,Besam,Record,Stanley,GU,BFT,GMT,Tiansuo etc.) cooperation, we have many engineering partners in decoration, curtain walls and **.
 

For ** products please visit our official website:www.zitin.com/brand  or click the brand icons below

Shanghai Automatic Door Repair - Daily Automatic Door Maintenance and Automatic Door Troubleshooting  www.zitin.com.cn  telephone: +86 21 68568185