Exd Fault Code - Full Check List

Question 1

Exd: FAULT CODE A1 :
Equipment is appropriate to the EPL/Zone requirements of the location.

Answer 1

DETAILED, CLOSE, VISUAL

Question 2

Exd: FAULT CODE A2 :
Equipment Group is correct.

Answer 2

DETAILED, CLOSE

Question 3

Exd: FAULT CODE A.3 :
Equipment temperature class is correct (only for gas).

Answer 3

DETAILED, CLOSE

Question 4

Exd: FAULT CODE A.5 :
Degree of protection (IP grade) of equipment is appropriate for the level of protection/group/conductivity.

Answer 4

DETAILED, CLOSE, VISUAL

Question 5

Exd: FAULT CODE A.6 :
Equipment circuit identification is correct.

Answer 5

DETAILED

Question 6

Exd: FAULT CODE A.7 :
Equipment circuit identification is available.

Answer 6

DETAILED, CLOSE, VISUAL

Question 7

Exd: FAULT CODE A.8 :
Enclosure, glass parts and glass-to-metal sealing gaskets and / or compounds are satisfactory.

Answer 7

DETAILED, CLOSE, VISUAL

Question 8

Exd: FAULT CODE A.9 :
There is no damage or unauthorized modifications.

Answer 8

DETAILED

Question 9

Exd: FAULT CODE A.10 :
There is no evidence of unauthorized modifications.

Answer 9

CLOSE, VISUAL

Question 10

Exd: FAULT CODE A.11 :
Bolts, cable entry devices (direct & indirect) and blanking elements are of the correct type, are complete and tight.
Cable Glands are of correct type and correctly installed for the location, and type of enclosure

Answer 10

DETAILED, CLOSE, VISUAL

Question 11

Exd: FAULT CODE A.12 :
Threaded covers on enclosures are of the correct type, are tight and secured.

Answer 11

DETAILED, CLOSE, VISUAL

Question 12

Exd: FAULT CODE A.13 :
Joint surfaces are clean and undamaged and gaskets, if any, are satisfactory and positioned correctly.

Answer 12

DETAILED

Question 13

Exd: FAULT CODE A.14 :
Condition of enclosure gaskets is satisfactory.

Answer 13

DETAILED

Question 14

Exd: FAULT CODE A.15 :
There is no evidence of ingress of water or dust in the enclosure in accordance with the IP rating.

Answer 14

DETAILED

Question 15

Exd: FAULT CODE A.16 :
Dimensions of flange joint gaps are:
- within the limits in accordance with manufacturer’s documentation or
- within maximum values permited by relevant construction standard at time of installation or
- within maximum values permited by site documentation

Answer 15

DETAILED

Question 16

Exd: FAULT CODE A.24 :
Breathing operation is satisfactory - (type “nR” only)

Answer 16

DETAILED

Question 17

Exd: FAULT CODE A.25 :
Breathing and draining devices are satisfactory

Answer 17

DETAILED, CLOSE

Question 18

Exd: FAULT CODE A.27:
HID lamps are not indicating end-of-life effects.

Answer 18

DETAILED, CLOSE, VISUAL

Question 19

Exd: FAULT CODE A.28 :
Lamp type, rating, pin configuration and position are correct.

Answer 19

DETAILED

Question 20

Exd: FAULT CODE A.29 :
Motor fans have sufficient clearance to enclosure and / or covers, cooling systems are undamaged, motor foundations have no indentations or cracks.

Answer 20

DETAILED, CLOSE, VISUAL

Question 21

Exd: FAULT CODE A.30 :
The ventilation airflow is not impeded.

Answer 21

DETAILED, CLOSE, VISUAL

Question 22

Exd: FAULT CODE A.31 :
Insulation resistance (IR) of the motor windings is satisfactory.

Answer 22

DETAILED

Question 23

Exd: FAULT CODE B.1 :
Type of cable is appropriate.

Answer 23

DETAILED

Question 24

Exd: FAULT CODE B.2 :
There is no obvious damage to cables.

Answer 24

DETAILED, CLOSE, VISUAL

Question 25

Exd: FAULT CODE B.3 : Sealing of trunking, ducts, pipes, conduits is satisfactory.

Answer 25

DETAILED, CLOSE, VISUAL

Question 26

Exd: FAULT CODE B.4 : Stopping boxes and cable boxes are correctly filled.

Answer 26

DETAILED

Question 27

Exd: FAULT CODE B.5 : Integrity of conduit system and interface with mixed system is maintained.

Answer 27

DETAILED

Question 28

Exd: FAULT CODE B.6 : Earthing connections, including any supplementary earthing bonding connections are satisfactory (for example connections are tight and conductors are of sufficient cross-section).

Answer 28

DETAILED, CLOSE, VISUAL

Question 29

Exd: FAULT CODE B.7 : Exd: FAULT loop impedance (TN systems) or earthing resistance (IT systems) is satisfactory.

Answer 29

DETAILED

Question 30

Exd: FAULT CODE B.8 : Automatic electrical protective devices are set correctly (auto-reset not possible).

Answer 30

DETAILED

Question 31

Exd: FAULT CODE B.9 : Automatic electrical protective devices operate within permitted limits.

Answer 31

DETAILED

Question 32

Exd: FAULT CODE B.10 : Specific conditions of use (if applicable) are complied with.

Answer 32

DETAILED

Question 33

Exd: FAULT CODE B.11 : Cables not in use are correctly terminated.

Answer 33

DETAILED

Question 34

Exd: FAULT CODE B.12 : Obstructions adjacent to flameproof flanged joints are in accordance with IEC 60079-14. (IIA = 10 mm, IIB = 30 mm, IIC = 40 mm).

Answer 34

DETAILED, CLOSE, VISUAL

Question 35

Exd: FAULT CODE B.13 : Variable voltage / frequency installation in accordance with documentation.

Answer 35

DETAILED, CLOSE

Question 36

Exd: FAULT CODE B.14 : Temperature sensors function according to manufacturer's documentation

Answer 36

DETAILED

Question 37

Exd: FAULT CODE B.15 : Safety cut off devices function according to manufacturer's documentation

Answer 37

DETAILED

Question 38

Exd: FAULT CODE B.16 The setting of the safety cut off is sealed

Answer 38

DETAILED, CLOSE

Question 39

Exd: FAULT CODE B.17 : Reset of a heating system safety cut off possilbe with tool only

Answer 39

DETAILED, CLOSE

Question 40

Exd: FAULT CODE B.18 : Auto-reset is not possilbe

Answer 40

DETAILED, CLOSE

Question 41

Exd: FAULT CODE B.19 : Reset of a safety cut off under fault conditions is prevented

Answer 41

DETAILED

Question 42

Exd: FAULT CODE B.20 : Safety cut off indepedent from control system

Answer 42

DETAILED

Question 43

Exd: FAULT CODE B.21 : Level switch is installed and correctly set, if required

Answer 43

DETAILED

Question 44

Exd: FAULT CODE B.22 : Flow Switch is installed and correctly set, if required

Answer 44

DETAILED

Question 45

Exd: FAULT CODE C.1 : Equipment is adequately protected against corrosion, weather, vibration and other adverse factors.

Answer 45

DETAILED, CLOSE, VISUAL

Question 46

Exd: FAULT CODE C.2 : No undue accumulation of dust and dirt.

Answer 46

DETAILED, CLOSE, VISUAL