ERROR CODES AND ALARM STATUS
Error | Problem | Control Board's Action | |
Code | |||
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1 | Front Panel Button Stuck For More | Continue to monitor for "OPEN" (Unstuck) switch. Do not process switch | |
Than 20 Seconds | input. ENSURE FRONT COVER DOES NOT DEPRESS BUTTONS | ||
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2Input Voltage Out of Specification (103 Open all relays until voltage is back within specs. Resume operation - 127 / 187 - 253)
3Indoor Temperature Sensor is Open or Set temp to 75°F in COOLING or 68°F in HEATING. Unit continues to
Shortedoperate
4 | Indoor Coil Temperature Sensor is | Control Board sets temp to a default of 40°F. Override sensor. Unit | |
Open or Shorted | continues to operate. | ||
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| Outdoor Coil Temperature Sensor is | Sets temp to 20°F. Override sensor. Continue operation. Use Elec Heat if | |
5 | available for HEATING. If not available use HEAT PUMP if outdoor temp | ||
Open or Shorted | |||
| allows. | ||
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| Shut down for 5 min. Resume operation for 3 min. Continues to monitor. If |
6Outdoor Coil > (greater than) 175 F test fails 3 times, the unit operation is locked out. Unplug and replug to reset.
7Indoor Coil < (less than) 30 F for 2 Turn compressor off. Run High Fan speed. When coil temp reachs 45°F
consecutive minutesresume operation after lockout time.
8Unit Cycles > (grater than) 9 Times per Continue operation. Continue to monitor. Take no action. Log Only. hour
9 | Unit Cycles < (less than) 3 Times per | Continue operation. Continue to monitor. Take no action. Log Only. | |
Hour | |||
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| Only used if Electric Heat is available. Run High Speed and Electric heat | |
10 | Room Freeze Protection | until room temp reaches 46°F. Display "FRZ" during operation. Logged | |
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| Only | |
11 | Not Applicable | Not Applicable | |
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12 | Discharge Air > (greater than) 185 F | Shutdown heat pump and electric heater. Run high fan speed until temp is | |
100°F. Resume operation. Third occurance in 1 hour locks unit out. | |||
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13 | Not Applicable | Not Applicable | |
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14 | Discharge Air Temperature Sensor is | Override Sensor. Set temp to 75°F. Continue to monitor. Set error code 14 | |
Open or Shorted | ON. | ||
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15 | Heat Pump/Reversing Valve Error | If indoor coil temp < (Lesser than) ambient temp for 5 minutes. Unit uses | |
electric heat to satisfy heating demand. Unplug and replug to reset. | |||
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16Temperature Beyond Operating Limits Ambient temp < (less than) 0°F and ambient temp > (greater than) 130°F. Set error code 16 ON. When cleared return unit to normal.
17 | Equipment Doesn't Meet Minimum | Must have compressor enabled and at least 2 fan speeds | |
Configuration | |||
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18 | Not Applicable | Not Applicable | |
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19 | Not Applicable | Not Applicable | |
20 | Not Applicable | Not Applicable | |
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21 | Not Applicable | Not Applicable | |
22 | Outdoor Coil Temperature < 30 F for 2 | Unit will use electric heat to satisfy heating demands until temp is greater | |
consecutive Minutes | than 45°F. Unit must be a Heat Pump with electric heat. | ||
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23 | Frost Protection (for Heat Pump Only | Unit will run active defrost for up to 6 minutes when Heat Pump run time | |
Unit- YS10M10) | is greater than 60 minutes and outdoor coil temp is 26 F or less. | ||
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24 | Not Applicable | Not Applicable |
| Key Sequence |
| Action |
To Access Error Codes | Press the fan speed and key for 3 seconds | ||
Reset Error Codes & Error History | Press + timer/schedule for 3 seconds | ||
When you have entered the Error Codes section, an “E” will appear. Use the up and down Only active error codes will display.
keys to scroll through error codes.
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