Buderus Logamax plus GB162-80 kW Service Instructions Manual page 46

6 Diagnosis
section 54
e
[6/a/\| [2/2/7|
e
[6/a/\| [2/2/7|
Step 1 Is the heating system propane gas-fired?
Step 2  Contact the gas utility company to check that there is no nitrogen in the new or existing gas tank and the gas
supply pipe.
Step 3 Is there still nitrogen in the new or existing gas tank and the gas supply pipe?
Step 4 Diagnosis: There is nitrogen in the gas tank and the gas supply pipe.
Action: Remove the nitrogen in conjunction with the gas utility company.
Step 5  Check that the device gas stop valve is open as instructed in section 81 and that the main gas stop valve is open.
Step 6 Are both gas stop valves open?
Step 7 Diagnosis: The device gas stop valve and/or the main gas stop valve is/are closed.
Action: Open the device gas stop valve as instructed in section 81 and open the main gas stop valve.
Step 8  Check the static and dynamic gas supply pressures as indicated in section 117.
Step 9 Are the static and dynamic gas supply pressures correct?
Step 10  Check that there is no obstruction in the gas pipe between the device gas stop valve and gas valve.
Step 11 Did you find an obstruction?
Step 12 Diagnosis: There is an obstruction in the gas pipe. Action: Remove the obstruction.
Step 13  Check that there is no obstruction in other parts of the gas pipe.
Step 14 Did you find an obstruction?
Step 15 Diagnosis: There is an obstruction in the gas pipe. Action: Remove the obstruction.
Step 16 Has the gas supply pipe been purged?
Step 17 Diagnosis: The gas supply pipe has not been purged. Action: Bleed the gas supply pipe, see section 118.
Step 18  Check that the glow ignitor activates when the operating code
Step 19 Does the glow ignitor activate when the operating code
Step 20  Check the electrical resistance of the power supply cord of the glow ignitor as indicated in section 102.
Step 21 Is the power supply cord okay?
Step 22 Diagnosis: The wire harness is defective. Action: Replace the wire harness or the affected part.
Step 23  Check the electrical resistance of the glow ignitor as indicated in section 102.
Step 24 Is the electrical resistance of the glow ignitor okay?
Step 25 Diagnosis: The glow ignitor is defective. Action: Replace the glow ignitor, see section 103.
46
Blocking fault code: Insufficient flame activity (ionization current) was measured during the
first, second or third burner ignition attempt (section 1, [23]).
Locking fault code: Insufficient flame activity (ionization current) was measured during the
fourth burner ignition attempt (section 1, [23]).
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
[0/c/\|
is displayed, see section 100.
[0/c/\|
is displayed?
→
Yes: Step 2
→
No: Step 5
→
Yes: Step 4
→
No: Step 5
→
Section 67
→
Yes: Step 8
→
No: Step 7
→
Section 67
→
Yes: Step 16
→
No: Step 10
→
Yes: Step 12
→
No: Step 13
→
Section 67
→
Yes: Step 15
→
No: Step 39
→
Section 67
→
Yes: Step 18
→
No: Step 17
→
Section 67
→
Yes: Step 23
→
No: Step 20
→
Yes: Section 66
→
No: Step 22
→
Section 67
→
Yes: Step 26
→
No: Step 25
→
Section 67