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5.6
HE2 MC3
Frequently Asked Questions
5.6.1 Basic Problems
I have just had a
HE2
installed, what does it mean when it asks for the 'release code'?
•
A product activation code is required to enable the unit to work, and this needs to be entered into the soft-
ware. Please contact your
Condair
distributor (which is displayed on your control panel display) with unit
details (model No. and serial No.), site address, contact name, email and telephone details.
What should I do if there are no lights and no display?
This could mean that you do not have a power supply or have the incorrect voltage. The corrective action for
this is as follows:
•
Check that the green light is lit on the side of the control panel. This indicates that there is a power supply
connected.
•
Check the power supply for correct electrical voltages including Neutral and Earth. Refer to CE label for
correct voltage.
•
Check that the electrical power isolator is switched on.
•
Check that the
HE2
control panel on/off switch is enabled.
•
Check the internal cables are fixed correctly and the power supply fuse.
My unit is on, but it's not operating, what should I check?
i) This may be that the
HE2
has an incorrect humidity demand. Make sure that:
•
The control parameters are correct, see “Step 1 Programming the controller” in the 'commissioning section'
in the current manual.
•
Check the set point demand for humidity, or temperature (if cooling) is set for the desired condition.
•
Test for the control signal at terminals of the humidifier.
•
Check for the correct polarity of the signal against the wiring diagram which can be found in the 'commis-
sioning section'.
ii) Or the
HE2
may be disabled by a fault or an interlock (inc. occupations). Check the display for alarm indica-
tion and correct by:
•
Checking terminals 12 & 13 and 14 & 15 for closed circuit in the
HE2
control panel.
•
Checking occupancy settings on the
HE2
controller, see “Step 9 Programming the controller’.
•
Check air flow switch or pressure sensor in AHU or duct (if applicable).
•
Check humidity is not greater than high level set point.
•
Temporarily place hard wire links across terminals 12, 13 and 14,15 to enable system.
•
Check the water supply has not been isolated and is at the correct pressure of 2 bar and flow of 14 l/min.
A message saying: SERVICE DUE has appeared and common fault is activated, what should I do?
The run hours have exceeded the service counter.
•
Service to be completed as explained in the 'maintenance' section of the manual.
•
Contact your Condair distributor to arrange a service visit.
•
Reset service counters. Refer to the commissioning section of the manual.
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