6 Trouble Shooting
www.projoy-electric.com
7 Aftersales service and warranty
8 Contact us
Projoy Electric Co., Ltd.
Tell：+86-512-6878 6489
Web: https://en.projoy-electric.com/
Add: 2nd Floor, Building 3, No. 2266, Taiyang Road, Xiangcheng District, Suzhou
6
Possible Solution
Check AC power
Check the fuse
Check mains voltage between L&N marked terminals
Check the end RSD voltage between + & - marked terminals
Check the cable wiring correction
DC power
Problem Possible Cause
No mains supply
Wrong cable wiring
String voltage
drops
String Voltage
drops to 0V
PEFS-24V-CN power supply failure
(LED OFF)
Cable disconnected Check reliability of cable wiring
24V Cable disconnected somewhere
DC Power drops for high temperature
Check the cable wiring
1. Beyond the warranty period;
2. No valid quality assurance card and product serial number;
3. Transportation damage;
4. Improper use, operation and modification;
5. Operating in an environment beyond the specified in this manual;
6. Any installation and use beyond the scope specified in relevant international standards;
7. Damage caused by abnormal natural disasters (earthquake, fire, flood, etc.).
7.2 Aftersales service
Please contact Projoy local distributors for after-sales service
1) Inappropriate use or installation, self-modification or improper maintenance, etc.:
2) Beyond the prescribed scope of use;
3) Earthquakes, fires, lightning strikes, abnormal voltages, other natural disasters and secondary disasters, etc.
4) Any lost caused by any inappropriate use out of the scope defined in this manual, Projoy will not take the responsibility
7.1 Warranty
Projoy PEFS Series Module Level Rapid Shutdown controller: Up to 25 years lifespan design, which commencing from 3
months later of the manufacturing date. PROJOY will repair or replace any fault unit which is damaged or cannot work
normally due to product quality issue. However, for the faults caused by following reasons, PROJOY would do service with
charge even under warranty.
