Midea MHC- V30W/D2RN8 Engineering Data

M thermal Mono
50 202005
Midea M thermal Mono Engineering Data Book
Warning signals
- The warning signal is indicated by the LED display.
- The fault signal LED and the SSM relay do not respond.
- The pump continues to run with limited output.
- The indicated faulty operating status must not occur for a prolonged period. The cause must be eliminated.
Figure 3-6.4: Warning signals
Code No.
Fault
Cause
Remedy
E07
Generator operation
Pump hydraulics have fluid running
through them.
Check the system
E11
Dry running
Air in the pump
Check the water volume/ pressure
E21*
Overload
Sluggish motor, pump is operated
outside of its specifications (e.g. high
module temperature). The speed is
lower than during normal operation.
Check the ambient conditions
* In addition to the LED display, the fault signal LED is continuously illuminated in red.
In order to ensure the service life of the pump, it is recommended that the unit run at least once every 2 weeks
(ensure that the pump is running) or keep it powered on for a long time (in the power-on standby state, the unit will
run the pump for 3 minutes every 6 hours)
Midea CAC Confidential

Midea MHC- V30W/D2RN8 Specifications

General

Brand	Midea
Model	MHC- V30W/D2RN8
Category	Air Conditioner
Language	English