Pump Alarm- E4 Error Code
**
UNIT WILL NOT FUNCTION UNTIL ERROR CODE IS CLEARED
.
If E4 (pump alarm) is shown on the display, complete the following steps:
1. Reset the unit by unplugging the power cord and then reconnecting it.
2. Manually check to see if the pump is operational by pressing the drain button. Check
if the pump energizes and de-energizes properly. Additionally, check to see if any water
purged from the system.
3. If you haven’t cleaned the system recently, check the discharge line for an obstruction,
then clean as described in the Maintenance section.
4. Replace the hose and/or pump, if maintenance alone isn’t sufficient.
Spare Parts
Fan Components
External Components
Cables
Duct + Ventilation Accessories
N-100
N-101
N-102
N-801
N-188
N-800
N-119
Main Control Board
Display Board
RH/Temp. Sensor
Fan Motor
Complete Fan Assembly
Fan Capacitor
N-802
N-804
N-107
N-200
N-201
N-202
N-203
N-125
Prefilter
MERV 8
HEPA
Carbon Filter
Foot adjustable
Display/Control
Inernal Components
N-120
N-121
N-122
Temp/RH Sensor Cable
Display Ribbon Cable
Ca
Т: 5 Port Internal Cable
N-1204
Supply Duict Collar
Assembly
Compressor
Compressor Capacitor
Coil Assembly
Hot Gas Valve Assembly
W-100
W-101
W-102
Remote Control Assembly
(includes W-101 and W-102)
Remote Control
Remote Control Cable
Remote Control
N-803
Condensate Pump Assembly
N-105
AirWerx Remote Control
Troubleshooting
Display is Blank
No Airflow
Error Code:E1
Error Code:E4
Error Code:LO
Error Code:HI
Cause
Solution
Poor Connection
Power Outage
Filter is dirty
Air Inlet or Outlet
is Blocked
Humidity Sensor or
Communication Error
Problem with Pump
Room Temperature
is below 33
℉
Room Temperature
is above 105
℉
Refrigerant Leak
Verify that both ends of the
cord are plugged in
Reset
power
Clean the Filter
Clean the
blockage
Check to ensure that the sensor wire
is connected at both ends. if no issues
are visible, the sensor may be faulty.
Verify that the pump is properly
installed and functioning. If so, unplug
the unit for two minutes,then restart.
Increase the room temperature so it is
within operating range (above 33
℉
). If
error still displays, check sensor.
Decrease the room temperature so it is
within operating range (below 105
℉
).
If error stille displays, check the
sensor
Contact Your Installer for Assistance.
Symptom
E5 Trouble Code
12
13
