HVAC

Voltas Non-Inverter AC Error Code List

Voltas Non Inverter AC Error Code List

Sl No Error Code Error Details Reset
1 EE Indoor machine EE fault  
2 E0 Outdoor EE fault  
3 E1 Indoor fan fault  
4 E2 Indoor fan zero-crossing detection abnormal  
5 E3 Indoor coil fault and sensor fault  
6 E4 Indoor ambient temperature sensor fault  
7 E5 Fan Operation Error  
8 E6 Indoor and outdoor machine communication fault  
9 E8 Outdoor communication fault  
10 F1 Compressor starting abnormal  
11 F2 Compressor out of step fault  
12 F3 IPM module fault  
13 F4 Compressor shell roof fault/protection  
14 F5 Discharge temperature sensor fault  
15 F6 Section temperature sensor fault  
16 F7 Outdoor coil temperature sensor fault  
17 F8 Outdoor ambient temperature sensor fault  
18 F9 Outdoor DC fan fault  
19 P1 Outdoor machine AC current protection  
20 P2 Compressor phase current protection  
21 P3 Outdoor unit over-high or over-low AC voltage protection  
22 P4 DC voltage over-high or over-low voltage protection  
23 P5 IPM over-high temperature protection  
24 P6 Discharge temperature overheat protection  
25 P7 Cooling indoor coil anti freezing protection  
26 P8 Cooling outdoor coil overheat protection  
27 P9 Heating indoor coil overheat protection  
28 PC Cooling outdoor ambient temperature over-low protection  
29 PH Heating outdoor ambieent temperature over-high protection  
30 L1 Drive bus voltage over-high protection  
31 L2 Drive bus voltage over-low protection  
32 L3 Drive phase current overload fault  
33 L4 Phase current samping abnormal  
34 U1 IPM Over current protection  
35 U3 Compressor Over current protection  
36 U4 Over voltage protection  
37 U5 Low voltage protection  
38 U7 Over speed protection  

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Voltas Inverter AC Error Code List Voltas Split AC Error Code List

Sl No Error Code Error Details Reset
1 E1 The trouble of indoor unit room temperature sensor  
2 E2 The trouble of indoor unit pipe temperature sensor  
3 E3 The trouble of PG motor  
4 E5 Wired controller communication failure  
5 E6 The EEPRO of indoor unit error  
6 1E The trouble og outdoor unit room temperature sensor  
7 2E The trouble of outdoor unit pipe temperatue sensor  
8 3E The trouble of exhaust sensor  
9 4E The EEPRO of indoor unit error ( outdoor unit). Replace the module board of outdoor unit  
10 8E The trouble of PFC. Replace the module board of outdoor unit  
11 H1 Automatic defrosting  
12 H3 Stop for compressor overload protection  
13 H4 Overload protection  
14 H5 Stop for IPM module protection  
15 H6 PG motor does not operate ( indoor fan motor)  
16 HC PFC overcurrent malfunction  
17 L9 High protection of power  
18 LP Indoor and outdoor units cant match with each other  
19 PH High voltage protection  
20 PL Low voltage protection  
21 C5 Jumper cap malfunction  

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Maintenance Of Equipments

Now, let’s talk about the Preventive maintenance of the following equipment.

  1. Transformer Preventive Maintenance.
  2. Street Light Preventive Maintenance.
  3. AC Maintenance.
  4. DG Set Maintenance.
  5. Preventive Maintenance of ACB.
  6. Preventive Maintenance of Capacitor Bank.
  7. Preventive Maintenance of Lifts.
  8. Preventive Maintenance of Earthing.
  9. Preventive Maintenance of Ceiling Fans.
  10. Preventive Maintenance of Power Panels.
  11. Preventive Maintenance of Circuit Breakers.