Trane Mini-4-Way Cassette-Indoor Manual de instalación descargar pdf (Pagina 36)

36 VRF-SVX28A-EN

Troubleshooting

If an error occurs, one of more of the LEDs on the display (see “Components” for their location)

will flicker. As a protection strategy, the unit stops operating (and the LED turns off). If the unit is

turned on before the problem is resolved, the LED will resume flickering and the unit will stop

operating again.

Table 7. Diagnostic LEDs for the mini 4-way cassette indoor unit (continued)

Alarm condition

Error

code

LED display

Power

Defrost

Timer

Filter

Indoor temperature sensor error (shorted or open) E121 Off Flickering Off Off

Evap-in sensor error (shorted or open) E122

Flickering Flickering Off OffEvap-out sensor error (shorted or open) E123

Discharge sensor error (shorted or open) E126

Indoor fan error E154 Off Off Flickering Off

Outdoor temperature sensor error (shorted or open) E221

Flickering Off Flickering OffCondenser sensor error (shorted or open) E237

Discharge sensor error E251

No communication between indoor and outdoor units for 2 minutes E101

Off Flickering Flickering Off

Communication error received from outdoor unit E102

3-minute tracking error on outdoor unit E202

Communication error after tracking due to non-matching quantity of

installed indoor units

E201

Error due to repeated communication address E108

Communication address not confirmed E109

Error due to opened EEV (2nd detection) E151

Off Flickering Flickering Flickering

Error due to closed EEV (2nd detection) E152

Evap-in sensor is loose E128

Evap-out sensor is loose E129

Thermal switch error (open) E198

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Trane Mini-4-Way Cassette-Indoor Manual de instalación Pagina 36