70
Fault elimination
7.4
Malfunctions without indication
The following table presents malfunctions that do not trigger an error message, together with indications
on their cause and notes on how to eliminate the sources of trouble
Failure
Cause
Remedy
Residual water in the section of
the duct outside the drain pan.
Sealing elements improperly installed or de-
fective
Mount sealing elements correctly or
replace, as required (see Condair DL instal-
lation manual).
Ceramic plates improperly installed or ceramic
plates broken.
Correctly install or replace ceramic plates (see
Condair DL installation manual).
Air velocity in the duct is too high (systems with-
out droplet separator >492.13 ft/min (>2.5 m/s),
systems with droplet separator >787.40 ft/min
(>4 m/s)).
Reduce air velocity in the duct, if possible, or
install droplet separator (consult your Condair
representative).
Condair DL humidifies
permanently.
Nominal value of humidity is set too high.
Set humidity setpoint value correctly (siehe
).
Ambient humidity very low.
Wait.
The internal controller is activated although
an external controller is connected.
Deactivate the internal controller (siehe
).
Spray valves open and close
continually.
Unstable control signal.
Check controller settings and adjust controller,
as required (siehe
).
Maximum humidification
capacity is not reached
Capacity limitation active.
Deactivate capacity limitation (set to: 100%).
.
Nozzles clogged.
Clean or replace nozzles (see
Softstart function in progress.
Wait until set time has elapsed and the softstart
function is terminated.
System incorrectly dimensioned (insufficient
capacity).
Contact your Condair representative.
Booster pump defective (insufficient perme-
ate pressure)
Contact your Condair representative.
Pressure relief valve of booster pump not
adjusted correctly.
Contact your Condair representative.
Booster pump starts too late
or not at all
Capacity limitation activated.
Deactivate capacity limitation (set to: 100%).
.
Booster pump not activated.
Contact your Condair representative.
Softstart function in progress.
Wait until set time has elapsed and the softstart
function is terminated.
Spray valve Y5 (spray circuit 1)
and/or spray valve Y6 (spray
circuit 2) and/or spray valve
Y7 (spray circuit 3) do not open
Spray valve Y5 and/or spray valve Y6 and/or
spray valve Y7 defective.
Replace spray valves (see
).
Capacity limitation active.
Deactivate capacity limitation (set to: 100%).
.
Spray valve Y8 (spray circuit 4)
and/or Y9 (spray circuit 5) do
not open even with 100% hu-
midity demand.
Spray valve Y8 and/or spray valve Y9 defective
or not activated in the control system.
Contact your Condair representative.
Wrong stage control (7-steps instead of
15-steps)
Contact your Condair representative.
The humidifier is automatically
powered down after about one
week of operation.
Silver ionization defective or exhausted. Ca-
pacity counter run-out.
Replace silver cartridge (see
) and
reset the capacity counter (see
).
Summary of Contents for DL II
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