Model reference

Goodman RS4200005R11

Air Conditioner

1 document28 error codes4 service modes

Available documentation

Service Manual

Service Instructions Package Terminal Air Conditioner/Heat Pump74 pg
Covers this model

MyPros+ Max

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Test values, resistance specs, and wiring references
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M+ Max·Goodman Air Conditioner

br on my Goodman RS4200005R11

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Brown Out Protection engaged - power

From Service Manual 975077, p.49:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (28)

CodeMeaning

brBrown Out Protection engaged C1Indoor Coil is freezing up.C2Indoor Air Recirculation C3Indoor Coil is freezing up.C4Indoor Coil froze up.C5Outdoor Coil temperature too high for outdoor ambient temperature.C6Poor Unit Performance.C7Indoor Freezing Lockout (ICT EHEmergency Hydronic Engaged EoUn-Configured Service Board F1Indoor Ambient Thermistor reads outside the range -20°F to 200°F and the…F2Wireless Remote Thermostat failure.F3Indoor Ambient Thermistor reads outside the range -20°F to 200°F.F4Indoor Coil Thermistor either above or below operating tolerances.F5Wireless Thermostat failure.F6Indoor Discharge Thermistor either above or below operating tolerances.FbLow Remote Battery Warning.FdFront Desk switch is closed; all outputs are switched off.FPFreeze Protection Engaged H1High Voltage Protection engaged HPHeat Sentinel L6Discharge Air Too Hot.LCOutdoor Coil Thermistor temperature high.LSLoad Shedding Engaged nPWindow Switch Lockout (LS & INN open)OnControl is configured to respond to a wired thermostat.oPOpen Door Lockout (DS1 & DS2 open; wireless)UrUn-Rented Status (EHH & INN or wireless).

Service modes (4)

Configuration Feature Mode1
Diagnostic Maintenance & Status Report Mode1
RF Device Binding Mode1
Software Version Check1

Full entry steps, exit procedures, and test sequences are available in Max.

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