Rheem R-410A Manual de usuario descargar pdf (Pagina 21)

7 -Segment

Display

Code

Diagnostic Description Status / Possible Cause -Troubleshooting

Information

0 Standby Standby - No call for operation

c Y1 First Stage or Single Stage Unit Operation

Status and Diagnostic Description

C Y2 Second stage unit operation

(2-stage unit only)

c or

C Flashing

Anti-Short Cycle Timer (3 minutes) or

Minimum Run Timer (30 seconds)

Waiting for anti-short cycle timer to expire

Waiting for minimum run timer to expire

F 1. Low voltage wiring damage or miswired

1 (*) Compressor Running Extremely Long Run

Cycle (Cooling mode only)

1. Low refrigerant charge

2. Air ducts have substantial leakage

3. Check thermostat operation

4. Dirty filter

5. Dirty outdoor coil

2 (*) Pressure Control Trip (L terminal output only) 1. (See faults 21, L21, 23, L23)

21 (***) Low Pressure Control Trip

Note: Low-pressure control is ignored for 90

seconds after call for unit operation.

restart the unit after the pressure control

automatically re-closes.

Unit will try to restart 3 times in the same

thermostat call for operation (Y1) before

lockout (fault L21).

1. Unit is low on refrigerant charge

2. Indoor coil is frozen (cooling mode)

3. Dirty indoor coil or filter (cooling mode)

4. Indoor blower is not running (cooling mode)

5. TEV is not operating correctly

L21 (**) Lockout - Low Pressure Control Trip (**) LPC tripped three consecutive times in same

thermostat call

23 (***)

High Pressure Control Trip

restart the unit after the pressure control

automatically re-closes.

Unit will try to restart 3 times in the same

thermostat call for operation (Y1) before

lockout (fault L23)

1. Outdoor coil is dirty (cooling mode)

2. Outdoor fan is not running (cooling mode)

3. Dirty indoor coil or filter (heat pump mode)

4. Liquid line restriction (filter drier blocked, etc.)

5. Excessive refrigerant charge

L23 (**) Lockout - High Pressure Control Trip (**) HPC tripped three consecutive times in same

thermostat call

25 Outdoor Ambient Temperature Sensor

27 Abnormal Low Line or No Line Voltage

(See unit nameplate for operating voltage)

1. Check incoming line voltage to the disconnect

and unit

2. Check wiring connections

28 Abnormal High Line Voltage 1. Check line voltage

3 (*) Short Cycling 1. Check thermostat for intermittent demand

signal

2. Check thermostat location in zone (too close to

discharge grill)

Active Protection – The ICC will try to

1. ICC board sensor damaged (ICC

will continue to operate)

ICC Board Fuse Open

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 35 36

Comentarios a estos manuales

Sin comentarios

Rheem R-410A Manual de usuario Pagina 21

Comentarios a estos manuales

Relacionado con productos y manuales para Acondicionadores de aire del sistema de división Rheem R-410A