In this table, you will see "%d" for a variable value, e.g. a number, duration or I/O address.
1)
Messages 0021, 0074–0075 and 0092-0096 are customer-specific.
Complete possible causes and remedies for your defined message text (see chapter 8.8).
Message Possible cause Remedy
0001 W
Equipment number
incomplete
Equipment number entered incom‐
pletely or not at all.
Call KAESER SERVICE.
0002 W
p2 ↑
Discharge pressure too high. Check operating conditions.
Check all discharge lines, the dis‐
charge silencer and the blower
block.
0003 W
dp ↑
Differential pressure too high. Check operating conditions.
Check all feed lines, discharge lines,
the inlet and the discharge silencers
and the blower block.
0004 W
T_S ↓
Ambient temperature too low. Check ambient conditions.
0005 W
T1 ↑
Inlet temperature too high. Check operating conditions.
Check all feed lines, the inlet silenc‐
er and the blower block.
Check ambient conditions.
0006 W
T2 ↑
Discharge temperature too high. Check ambient conditions.
Check the sound enclosure fan func‐
tion.
0007 W
dT ↑
T2/T1 temperature difference too
high.
Check operating conditions.
Check all feed lines, discharge lines,
the inlet and the discharge silencers
and the blower block.
0008 W
Exchange mains
contactor
Maximum number of switching cy‐
cles for the mains contactor
reached.
Call KAESER SERVICE.
0009 W
T_S ↑
Sound enclosure temperature too
high.
Check ambient conditions.
Check the sound enclosure fan func‐
tion.
0010 W
Oil level side A
Lubricant level at the blower block
drive side too low.
Replenish with lubricating oil.
0011 W
Oil level side B
Lubricant level at the blower block
control side too low.
Replenish with lubricating oil.
0012 W
Filter blocked
Inlet filter clogged. Replace the inlet filter.
0013 W
dp ↓
Differential pressure too low. Check operating conditions.
Check all feed lines, discharge lines,
the inlet and the discharge silencers
and the blower block.
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
156
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 2.5.3 No.: 901700 10 E