Tool Does Not Heat (Correctly), Motor Runs - Leister GHIBLI AW Repair Instructions

Leister Technologies AG

5.3 Tool does not heat (correctly), motor runs

Error
Tool does not heat
Warning "Heating ele-
ment defective" is dis-
played
Temperature limit switch
is activated or defective
Warning "Overheating"
is displayed
Air temperature not
achieved
Air temperature exceeds
range
Repair instructions
Ghibli AW
Revision: B
Possible causes
1. Heating element not
correctly plugged into the
socket
2. Heating element defec-
tive
1. Overheating: Ghibli AW
air flow is too low
2. Overheating: Motor
does not run or runs too
slowly
3. Temperature limit switch
defective
1. Undervoltage
2. Heating power is possi-
bly not sufficient to achieve
temperature at high air
flow without using a nozzle
3. Thermocouple defective
4. Heating element with
incorrect voltage rating
5. Mica tube is missing
1. Thermocouple defective
2. Incorrect temperature
measurement
QM
Page
Created
Released
Modified
Repair methods
Check heating element and its in-
stallation (chapter 9.3)
Replace heating element
(chapter 9.3)
Clean air filters (according to oper-
ating manual)
Check nozzle for clogging (clean or
replace)
Check motor and perform mainte-
nance (chapter 11)
Replace electronic circuit board
HCU (chapter 10.3)
Check line/mains voltage
No solution possible
Check function by using a round
nozzle ø 5/8mm (chapter 14.2)
Replace thermocouple
(chapter 9.4)
Replace heating element
(chapter 9.3)
Assemble mica tube
Check/replace thermocouple
(chapter 9.4)
Replace electronic circuit board
HCU (chapter 10.3)
INN_FO_29
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