Troubleshooting - Panasonic FV-10VEC2 Installation And Operating Instructions Manual

TROUBLESHOOTING

If a problem is encountered, please investigate it by going through the following items.
If the problem still persists, please disconnect the power and contact the dealer for repair.
Problem
1.The ERV doesn't
work.
2.The HVAC/AHU
doesn't work
when ERV works.
3.Buzzer sound
(10 sec in a hour)
and ERV works.
4.Buzzer sound
(30 sec in a hour)
and ERV doesn't
work.
5.ERV doesn't work
base on the setting
air volume.
* The time under "Blink" means the frequency of blink.
18
Display
Running Filter
indicator indicator
(Green) (Red)
Off Off
On Off
On Off
On On
Blink*
Off
(0.5 s)
Blink*
Off
(2 s)
Blink*
Off
(0.5 s)
Blink*
Off
(2 s)
Blink*
Off
(4 s)
Blink*
On
(0.5 s)
Blink*
On
(0.5 s)
On Off
Check the power is connected.
Check the frame cover is closed.
Check the main switch in product body is on.
Check if the spring on the inside of frame cover
is damaged or deformed.
ERV running interval according to the ASHRAE
time setting.
When outdoor temperature is low (FV-10VEC2 and
FV-10VEC2H: ≤-22 °F (-30 °C), FV-10VE2 and
FV-10VE2H: ≤14 °F (-10 °C)), ERV stops operating
automatically.
Damper may be frozen shut, please wait for
maximum 24 hours for defrosting.
Please disconnect the power and contact the
dealer to check the HVAC/AHU wiring connect.
The RA filter and OA filter need to be maintained.
If you do not want the buzzer notification, please
long press the filter reset button for 3 sec to cancel it.
SA motor error, please disconnect the power
and contact the dealer for repair.
EA motor error, please disconnect the power
and contact the dealer for repair.
OA damper error, please disconnect the power
and contact the dealer for repair.
EA damper error, please disconnect the power
and contact the dealer for repair.
Center damper error, please disconnect the
power and contact the dealer for repair.
Temperature sensor error, please disconnect the
power and contact the dealer for repair.
PCB board error, please disconnect the power
and contact the dealer for repair.
When product runs in circulation mode for
defrosting, the air volume will be more than
setting and sound will be slightly louder than
normal operation. (FV-10VEC2 and FV-10VEC2H)
When outdoor temperature is less than 14 °F
(-10 °C), the product will restrict air volume
automatically to protect energy recovery core.
Action