Pilz PNOZ mm0p 24VDC - Manual (Page 140)

Diagnostic word
Operating Manual PNOZmulti communication interfaces
1001154-EN-13
140
Bit Message Comment
7 Safety chain 2 broken (CHA2)
8 Ignition and operation safety chain broken (CHAI)
9 Air pressure error (AIRP)
10 Flame error, main flame (FLAM)
11 Flame error, ignition flame (FLAI)
12 Error during compound controller to pre-purge position
(PUR)
13 Error during compound controller to ignition position
(IGNI)
14 Tightness control error
} Burner part 2
Bit Message Comment
0 Step 0 enabled Step 0: Burner switched off
1 Step 1 enabled Step 1: Check start conditions
2 Step 2 enabled Step 2: Start-up of combustion air blower
3 Step 3 enabled Step 3: Compound controller to pre-purge
position
4 Step 4 enabled Step 4: Only relevant internally
5 Step 5 enabled Step 5: Pre-purge/tightness control: Vent
6 Step 6 enabled Step 6: Pre-purge/tightness control: Test air
pressure
7 Step 7 enabled Step 7: Pre-purge/tightness control: Fill
8 Step 8 enabled Step 8: Pre-purge/tightness control: Test
fuel pressure
9 Step 9 enabled Step 9: Continue prepurge
10 Step 10 enabled Step 10: Compound controller to ignition po-
sition
11 Step 11 enabled Step 11: Only relevant internally
12 Step 12 enabled Step 12: Pre-ignition
13 Step 13 enabled Step 13: Ignite ignition flame/1st safety time
14 Step 14 enabled Step 14: Stabilise ignition flame
15 Step 15 enabled Step 15: Ignite main flame/2nd safety time