If the problem is still not solved, call your installer or the nearest authorized Service Center.
Also, you can reach the Customer Service Department at one of the following telephone numbers:
Exclusively for models HRV 2600, HEPA 3100 and HEPA 4100: Exclusively for models HR 2.6 and HF 3.1:
1-800-567-3855. 1-866-737-7770.

PROBLEMS SOLUTIONS

Check breaker or fuse in main distribution panel.
1.Unit does not start at Min. Check there is 120V at the electrical outlet.
or Max. position. Make sure the unit main switch is properly set in Normal or Boost position.
Disconnect control wire from the unit, then make sure the unit main switch is
properly set in Normal or Boost position.
2.Unit does not run at Min. Disconnect control wire from the unit. Then, if the unit runs at Normal speed,
speed, but runs at Max. . check control wiring and wall control connections.
3.Unit is not operating as per Check if the unit main switch is in “Normal/Remote” position.
the selected mode. Check wall control wiring.
4.Wall control indicators do not work Check wall control wiring.
properly or not at all.
5.Light indicators on wall control Check if the unit main switch is in “Normal/Remote” position.
are flashing every second. Check wall control wiring.
6.Wall control screen indicates E1. Check wall control wiring.
7.Wall control screen indicates E2. The temperature sensor is defective. (The unit will automatically switch to
Off mode if this happens).
9. TROUBLESHOOTING
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8. PARTS ORDERING CHART
*The HEPA filter is factory installed in HEPA 3100, HF 3.1 and HEPA 4100 units. However, when it will be time to be replaced, a pleated
filter or a foam filter can be purchased, but the filtration efficiency will not be the same as a HEPA filter.
**Item 6 is optional.
All listed parts are available where you have bought your unit.
NOTE: Please note that parts not listed are not available; those parts require assembly knowledge that only manufacturer can garantee.
# Description Part no. HRV 2600 HR 2.6 HEPA 3100 HF 3.1 HEPA 4100
1 Prefilter Kit (2) 05123 - - 1 1 1
2 HEPA Filter Kit 04803 1* 1* 1 1 1
3 Pleated MERV 12 Filter Kit* 04804 1* 1* 1* 1* 1*
4 Washable Foam Filter MERV 8 04852 1 1* 1* 1* 1*
5A Core Filter Kit (2) 05120 1 1 1 1 -
5B Core Filter Kit (2) 05689 - - - - 1
6 Single Exterior Hood Kit** 13940 1 1 1 1 1
7A Wall Control 40415 40415 1 - 1 - 1
7B Wall Control 40425 40425 - 1 - 1 -