Doc. nr. : 012257
Version:
V1.9
Date:
16-02-2011
VDH Products B.V.
Type:
MANUAL FC500-PC
Page:
41 of 43
Error codes
E 1
:
Room temperature sensor failure
E 2
:
Water temperature sensor failure
E 3
:
Outside temperature sensor failure
E 4
:
Internal temperature sensor failure
PU1
:
Power supply voltage too low
PU2
:
Internal voltage too low
PU3
:
Internal over voltage alarm
Vu1
:
Short circuit to ground
Vu2
:
Short circuit, or too much power is drained from the unit.
PC2
:
Internal communications failure
Et4
:
The internal temperature above 70
C
Troubleshooting
:
Error codes
Solution
E 1, E2, E3
Replace the sensor. If the problem persists, the unit may be defective.
E 4, PC2
Return the unit for service.
PU1, PU2
Check supply voltage, this should be greater than 180Vac (at 230Vac type) or
greater than 100Vac (at 120Vac type).
PU3
Remove the power supply and reconnect the power supply, does the unit work
correct, no further action is needed. If the problem persists, the unit may be
defective.
Vu1, Vu2
Remove the power supply. Disconnect the fan unit(s) (including cables) from the
FC 500-PC. Reconnect the power supply. If the problem persists, return the unit
for service.
The total load cannot exceed 500VA (at 230Vac type) or 260VA (at 120Vac type).
Et4
Let the unit cool down, provide better ventilation for the unit.
Technical data
:
Type
: MDR-BP Control panel
Mounting methods
: panel mount
Cable input
: rear/under
Cable connections
: screw terminals
Dimensions panel
: 102x102x36mm
Panel cutout
: 82x82mm
Supply voltage
: 24Vac +/-10%
Temperature range
: 0-30
C
Accuracy
: 0,5
C
Readout display
: digitaal 3 digit 7-segments
Storage temp.
: -20
C/+40
C
Operation temp.
: -5
C/+35
C
Software version
: V1.03 or higher
