Aprilaire 1710A Troubleshooting Manual

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Aprilaire Dehumidifier Troubleshooting Manual
Models 1710A, 1750A, 1770A
Table of Contents
Troubleshooting Fault Codes ....................................................................................................................... 1
1 blink ............................................................................................................................................... 2
2 blinks ............................................................................................................................................. 2
3 blinks ............................................................................................................................................. 2
4 blinks ............................................................................................................................................. 2
5 blinks ............................................................................................................................................. 6
6 blinks ............................................................................................................................................. 6
7 blinks ............................................................................................................................................. 6
Verifying Capacity......................................................................................................................................... 8
Water Leaks ................................................................................................................................................ 11
Fan Does Not Function ............................................................................................................................... 12
Circuit Breaker Trips ................................................................................................................................... 13
1710A/1750A/1770A Parts List .................................................................................................................. 14
1710A/1750A Electrical Schematic ............................................................................................................ 16
1770A Electrical Schematic ........................................................................................................................ 17
Instruments you will need to complete troubleshooting:
1. Digital Multi-Meter (DMM) capability of measuring
 AC and DC voltage
 Resistance
 Capacitance
2. Temperature Meter for air temperature
3. Humidity Meter for air RH
Minimum tools needed to complete troubleshooting:
1. Phillips screwdriver (#2) or drill driver with #2 Phillips bit
2. Small (terminal) flat head screwdriver
3. Needle nose pliers
4. Level (to troubleshoot water leak claims)
Note: Do not hook up refrigeration gauges to the dehumidifier. Use of gauges will result in
refrigerant loss and performance loss.

Aprilaire 1710A Specifications

General

Model	1710A
Capacity	70 pints per day
Coverage Area	Up to 2, 800 sq. ft.
Energy Star Certified	Yes
Amperage	6.5 Amps
Voltage	115 V
Hertz	60 Hz
Airflow	200 CFM
Power Supply	115V, 60Hz
Humidity Control Range	35% to 70% RH