Troubleshooting Guide (Quick Reference)
Interlingo

This quick reference is intended for on-site technicians who need to resolve common issues rapidly. It summarizes the most frequently encountered problems, their likely causes, and the recommended corrective actions.

For complex issues, error codes, or repeated faults, consult the dedicated Troubleshooting Guide document provided with the CleanAir™ system. That guide includes detailed flowcharts, error code libraries, and advanced diagnostic procedures.

Common Symptoms and Corrective Actions

See Also
This quick table only covers common scenarios. For error codes, detailed flowcharts, and escalation instructions, consult the separate CleanAir Troubleshooting Guide.

Symptom

Possible Cause

Corrective Action

Reduced airflow

Clogged or saturated filter

Replace filter and reset filter alert

Fan operating below target speed

Run diagnostics → verify fan speed settings

Vibration or noise

Loose vibration mounts

Tighten or replace mounts

Fan blades imbalanced with dust

Clean blades, check for deformation

Control panel error code

Outdated firmware

Perform software update

Faulty sensor input

Calibrate or replace sensor

Unit does not power on

Damaged power cable

Inspect and replace if worn

Loose connector or tripped breaker

Reseat connections, reset breaker

Frequent filter alerts

High particulate load in environment

Replace filters more frequently; review facility filtration pre-stages

Airflow sensors miscalibrated

Run sensor calibration procedure

Unusual odor

Mold or chemical contamination in filter

Replace filters, inspect housing for residue

Electrical overheating

Check wiring for discoloration or damage

Fan runs continuously

Scheduler misconfigured

Reset control panel scheduling

Relay or control fault

Contact authorized service technician

When to Escalate

If any of the following conditions are observed, do not attempt to repair the unit beyond the procedures described in this manual:

  • Persistent error codes that cannot be cleared.

  • Electrical arcing, smoke, or burning odor.

  • Repeated breaker trips.

  • Significant structural damage to housing or brackets.

In such cases, refer immediately to the CleanAir Troubleshooting Guide for advanced steps or contact an authorized service technician.