Ingersoll-Rand RS11i, Product Maintenance Information

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EN
EN-20 47629519 Rev. C
INTEGRATED DRYER MAINTENANCE (For RS11-22i, RS15-22n)
Troubleshooting
NOTICE
The following behaviors are normal characteristics of
operation and not troubles:
Variable speed of the fan .
Display of message ESA and ES2 in case of operation
without load or low load .
A 2 minute delay for dryer to start after pressing the
on/off switch .
•
•
•

Check condition of flexible tube
used for condensate drainage
and replace if necessary.
Check if all connecting pipes are
properly tightened and fixed.
Check if dryer is working properly
after above procedures.
Table 7: General Faults (Dryer)
TROUBLE DISPLAY POSSIBLE CAUSE REMEDY
W
ATER IN
THE SY
STEM
Control panel display
is blank No power in the line. Restore the power in the line.
Problems with cabling.
Check cabling; if the trouble persists,
replace it.
Problems with the electronic
control board.
Check the electronic control board; if
the trouble persists, replace it.
dryer in stand-by.
wait 2 minutes after the dryer is
switched on.
the condenser is dirty. Restore the nominal conditions.
Condensate drain is not
functioning. see figure 5.
Clean the condenser.
Replace the coil of the drainage
solenoid valve if burned.
Clean or replace the drainage solenoid
valve if clogged/jammed.
Check the C8 and C9 parameters of the
electronic control board; if the trouble
persists, replace it.
the temperature control probe
is positioned improperly or
faulty.
Check the probe; if the trouble persists,
replace it.
Problems with cabling or with
the electronic control board.
Check the cabling and the electronic
control board, if the trouble persists,
replace them.
activation of compressor’s
internal thermal protection.
wait one hour and check again. If the
fault persists: stop dryer and call your
local Ingersoll Rand distributor.
Problems with the electrical
components of the compressor.
Check the electrical components of the
compressor.
defective compressor. Replace the compressor.
the flow rate and/or
temperature of the air entering
the dryer are higher than the
nominal values.
Restore the nominal conditions.
the ambient temperature is
higher than the nominal values. Restore the nominal conditions.
the condenser is dirty.
Clean the condenser.
RELEASED 23/May/2019 07:27:22 GMT