Venmar E10 HRV - Supply Motor Not Working Diagnosis

22
For the Installer
S
ERVICE TECHNICIANS ONLY: If you require assistance or have questions after performing the following troubleshooting, call :
In presence of a E15 ECM ERV, E15 ECM HRV, E15 or E10 unit : 1-800-649-0372
In presence of a 90H-V ECM ERV, 90H-V ECM HRV. 90H-V+ or 60H-V+ unit: 1-888-908-2633
Invert J4 and J5
motor connections.
Does the s upply
mot or no w wo rk?
No
Restore original
motor connections
and re pl ace t he
supply motor.
Yes
Restore original
motor connections.
Invert the J6 and J7
capacitors
connections. Does
the supply motor
now work?
Yes
Restore original
capacitor
connections and
replace the supply
motor capacitor.
Replace the
electronic board.
Supply motor does
not work
x First, make sure that only the supply motor does not work.
x Open unit’s door, and remove the core so the motors can be seen.
x Plug unit in (beware of live and moving parts). Unit performs a booting
sequence.
x Once the booting sequence is over, use the integrated push-button to set
the uni t in high or low speed (integrated LED turns GREEN).
x Look at the motors. If both motors do not work, go to « unit does not
work / Integrated control LED is OFF ». If only the supply motor does not
work, proceed as follows :
For the following units:
x E15 HRV
x E10 HRV
x 90H-V+
x 60H-V+
Integrated control
LE D is OFF
No