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  4. NOTICE: Wait ninety (90) seconds after power is connected for the first time
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NOTICE: Wait ninety (90) seconds after power is connected for the first time

NOTICE: Wait 90 seconds after initial power connection

Rheem · Tankless Water Heaters

¿Qué significa NOTICE: Wait ninety (90) seconds after power is connected for the first time ?

When power is connected for the very first time, the water heater requires a 90-second period to initiate its startup sequence. Please allow this time before expecting the unit to operate.

Causas comunes

  • Attempting to use the unit immediately after first-time power connection

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Connect the electrical power supply.

  2. 2

    Wait at least 90 seconds for the unit to initialize.

  3. 3

    Check for normal operation after the waiting period.

Ver todos los códigos en este manual (24)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

88Error 88 — Maintenance required before clearing codeAlarm/Error IndicatorSystem Alert — An issue has been detectedDANGER: Shock HazardDANGER: Shock Hazard — Electrical power is present
Fuente: Rheem Tankless Water Heaters
Open Manual (Page 47)Buscar más códigos en este manual