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© 2020 Carrier
7. TROUBLESHOOTING. ELIMINATION OF DEFECTS.
7.1
If the main voltage is present but no electrical sparks are generated at the rod's tip when there is correct voltage
at the HV ignition transformer input and output terminals (if it can be measured), perform the following:
a) Disconnect the power source.
b) Check if the power supply voltage comply with the transformer wiring – see p. 4.
c) Check the condition of the cable and electric connections for possible mechanical damage.
d) Check the condition of the rod, tip and it's screw joint for possible mechanical damage (as in p. 6.2) that
could cause internal electrical breakdown.
e) Follow the guidelines in points 6.3, 6.4 respectively.
f) After opening the door of the power pack box, check visually electrical connections on the board, check HV
transformer, capacitors and other components for burn marks. In the case of excessive wear or burn marks
replace the component.
g) Assembly the igniter, connect the power supply and grounding, make the functional test.
h) If no sparks are generated after the above measures have been taken, replace the original rod tip, reconnect
the power source and make the functional test again, following the rules in this manual.
i) If again no sparks are generated, replace the complete rod, and further the cable and repeat the functional test
each time.
j) If still no sparks are generated, replace the complete power pack and repeat the functional test. If the spark
will appear replace capacitors one by one in broken power pack and further replace the HV transformer.
k) After every step assembly the igniter, reconnect the power supply/grounding and repeat the functional test.
7.2
The main components can be checked the following way:
a) Rod Tip P/N
HE-TIP-24-L
: check on reference igniter rod.
b) Spark Gap P/N
HE-SG-24
: check on reference igniter power pack.
c) Transformer P/N
HE-TR-1150
: disconnect from capacitor C1 apply supply voltage. Measure output voltage
using high voltage probe – the RMS value should be 1,150V, peak 1,650V.
d) Capacitors P/N
HE-CAP-10, -2, -05
: use a multi-meter with capacitance measurement, disconnect GND bus
and measure capacitor capacity. It should be as per the capacitor specification.
7.3
If the main voltage is present but no electrical sparks are generated at the rod's tip and there is no voltage at the
HV ignition transformer output (if it can be measured), perform the following:
a) Check if the power supply voltage comply with the transformer wiring – see p. 4.
b) After opening the power pack box, check the presence of main supply on the HV transformer input and output
(use high voltage probe). If there is no voltage at transformer output replace the transformer. If there is no
equipment to measure transformer output replace the transformer by a spare one.
c) Assemble the igniter, connect the power supply and carry out the functional test following the above rules.
7.4
If the main voltage is present and the sparking is visible in other places: on rod connections, grounding points
and cable glands, perform the steps as above especially looking for bad connections, cracked cables, rods, bad
grounding connections. Try to identify and correct/replace faulty part. Repeat functional test after every
component replacement following the rules in this manual.
7.5
If there is no flame confirmation on flame safeguard system despite the proper igniter functioning and flame
presence on a burner, check the flame safeguard system and refer to this system manuals.
7.6
For any services and troubleshooting of Fireye retraction system module refer to Bulletin No
SF-2001
.
7.7
If, after all above measures have been taken, the
HDHESI
igniter does not work properly, or other igniter failure
occurs, please contact the manufacturer's service department.
7.8
Before any works on igniter circuit, replacing components always disconnect the supply and wait 90 sec. before
opening.
7.9
Before performing any functional tests connect the grounding and only then connect supply.
7.10 Each time before installation check the connection cable for mechanical damages.
