Daikin VRV IV RXTQ-TA / RXTQ-TB error code E7
Outdoor fan motor abnormality
Which models this applies to. Outdoor unit
Quick answer
On Daikin VRV IV RXTQ-TA / RXTQ-TB, E7 is a fault. It means outdoor fan motor abnormality. A first thing to check: A failed outdoor fan motor.
- Applies to
- Daikin VRV IV RXTQ-TA / RXTQ-TB
- Daikin VRV IV RXTQ heat pump codes · Heat Pump
- Type of code
- Fault
- Urgency: Needs attention soon
- First safe check
- Look at the fan through the grille and confirm whether it is turning, stationary, or turning slowly, since the speed tells you between a capacitor and a motor fault.
What E7 means on this model
The condensing fan has failed or is reporting a fault and the outdoor unit has stopped. This is not only a comfort fault, because the fan airflow is what keeps head pressure down, so a failed outdoor fan quickly leads to a high pressure trip and, in winter, to icing on the coil.
Symptoms you will notice
- Outdoor unit shows E7 and the system stops
- The outdoor fan does not run
- The outdoor fan runs noisily or hunts for speed
- The system works in mild weather and fails in hot weather
Common causes
The code tells you what the control detected, not which part failed. These are the causes we see most often, roughly in order of likelihood:
- A failed outdoor fan motor
- A seized outdoor fan bearing
- A failed condenser fan capacitor
- A loose or corroded motor connector
- A failed output on the outdoor main PCB driving the fan
- Debris or an obstruction in the fan blade path
What you can safely check
These are homeowner-level checks. None of them need you to open a live electrical compartment or work on gas.
- Look at the fan through the grille and confirm whether it is turning, stationary, or turning slowly, since the speed tells you between a capacitor and a motor fault.
- Check for debris against the fan and blocked air discharge from the unit.
- Check the fan motor connector for a loose or corroded pin.
Do not do these
- ×Do not reach through the grille to spin the fan with the power switch on.
- ×Do not assume a slow fan is a capacitor without checking it, because a bearing that is dragging will also run slow and a new capacitor will not fix it.
- ×Do not operate the outdoor unit with the fan disconnected to see if cooling improves. That is how the compressor gets killed.
When to call a technician
Book a technician, do not keep resetting it
This fault will not clear on its own. Every power cycle gives the control one more failed attempt, and repeated attempts are what turn a cheap part replacement into a seized or contaminated system.
- The refrigerant circuit is sealed and legally requires licensed handling. Opening it without certification releases refrigerant and can put the whole system in violation of regulation, so a low-pressure or high-pressure fault on this equipment is a call-out, not a weekend job.
- If the appliance has stopped mid-cycle, is making a noise you have not heard before, or smells burnt, stop reading here and call. Those are symptoms of something the fault code does not describe well enough.
A homeowner can watch the fan and clear debris. Motor and capacitor replacement is a technician job.
What it costs to fix
Parts
Outdoor fan motor $300 to $700. Fan capacitor $30 to $80. Fan blade assembly $150 to $400.
Labor
One to three hours to diagnose and replace.
DIY or technician
A homeowner can watch the fan and clear debris. Motor and capacitor replacement is a technician job.
Typical US part and labor ranges, 2026. They vary by region, model and contractor, so treat them as a planning figure, not a quote.
Scope of this code
- Code table
- Daikin VRV IV RXTQ heat pump codes
- Models in scope
- Daikin VRV IV RXTQ-TA / RXTQ-TB
- Checked
- Confirm on your own unit
- Find the model number on the data plate, then check this code in the service manual for that model. Manufacturers revise code tables between model years, and a revised board can renumber a fault.