This article provides an error code table for QHD070 Whole-House Ducted Dehumidifiers.

This article provides an error code table for <a href="https://www.pioneerminisplit.com/products/70-ppd-whole-house-ductable-high-performance-dehumidifier-115v" target="_blank" rel="noopener noreferrer">QHD070 Whole-House Ducted Dehumidifiers</a>.&#xA0;If multiple faults occur simultaneously, the codes will be displayed in order.&#xA0;<table style="width: 100%;"><tbody><tr><td style="width: 13.5387%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick">Code </td><td style="width: 24.5277%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick">Description </td><td style="width: 26.1886%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick">System Response </td><td style="width: 35.6711%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick">Suggested Resolution </td></tr><tr><td style="width: 13.5387%; text-align: center;" class="fr-thick">E0</td><td style="width: 24.5277%; text-align: center;" class="fr-thick">Communication failure</td><td style="width: 26.1886%; text-align: center;" class="fr-thick">Alarm + Shutdown</td><td style="width: 35.6711%;" class="fr-thick">Inspect the communication cable and reconnect or replace if necessary</td></tr><tr><td style="width: 13.5387%; text-align: center;" class="fr-thick">E1</td><td style="width: 24.5277%; text-align: center;" class="fr-thick">Humidity sensor fault</td><td style="width: 26.1886%; text-align: center;" class="fr-thick">Auto-switch to continuous Dehumidification mode</td><td style="width: 35.6711%;" class="fr-thick">Confirm that the temperature and humidity sensors are securely connected. Reconnect or replace if necessary</td></tr><tr><td style="width: 13.5387%; text-align: center;" class="fr-thick">E2</td><td style="width: 24.5277%; text-align: center;" class="fr-thick">Temperature sensor fault</td><td style="width: 26.1886%; text-align: center;" class="fr-thick">Error display only</td><td style="width: 35.6711%;" class="fr-thick">Confirm that the temperature sensor is securely connected. Reconnect or replace if necessary </td></tr><tr><td style="width: 13.5387%; text-align: center;" class="fr-thick">E3</td><td style="width: 24.5277%; text-align: center;" class="fr-thick">Water reservoir full alarm</td><td style="width: 26.1886%; text-align: center;" class="fr-thick">Enter Standby mode</td><td style="width: 35.6711%;" class="fr-thick">Check for clogged drainage lines or repair/replace the water pump</td></tr><tr><td style="width: 13.5387%; text-align: center;" class="fr-thick">E4</td><td style="width: 24.5277%; text-align: center;" class="fr-thick">Coil temperature&#xA0; sensor fault</td><td style="width: 26.1886%; text-align: center;" class="fr-thick">Enter Standby mode </td><td style="width: 35.6711%;" class="fr-thick">Confirm that the coil temperature sensor is securely connected. Reconnect or replace if necessary</td></tr></tbody></table>

Error Code Table for QHD070 Whole-House Ducted Dehumidifiers

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