I am going to HVACR classes and studding for a test . and i realy need a wiring diagram for a 10 kw heater with 2 speed fan . I have to build it on a board i know i need a T-stat, a transformer, 2 heat sequencers, 2 relay switches, and 4 lights , like i say this is just like a project not a real heater , i just nees to show the wiring work . if you can help me out i will be for ever in debt to you .
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If the sensors were replaced an DTC'S come back has to be a wiring problem or PCM ,
The ECM detects that the HO2S heater low control circuit voltage is between 2.6-4.6 volts when the heater is commanded OFF, indicating an open HO2S heater circuit.
Is the fuse open?
All four codes refer to the heating element circuit ! there is a relay in the under hood fuse box that supplies B+ voltage to the O2 sensor heating elements . I would change that or test the relay , videos on you tube on testing relays .
LO SPEED Relay, HI SPEED Relay, S/P FAN Relay, PRE O2 Fuse, IGN-1 Fuse, ECM Fuse, POST O2 Fuse, and INJ Fuse
POST O2 Fuse
HO2S Bank 1 Sensor 2 and HO2S Bank 2 Sensor 2
PRE O2 Fuse
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 and HO2S Bank 2 Sensor 1
Many modern appliances have error code build in to the control programing to help with the diagnosis of a failure. Frigidaire dishwashers with display s will flash Er then a two letter error code.
Er i s a Switch error (Replace Console Pn# 154639207)
CE is a Configuration error (Replace Control Pn#154543602)
UO is a Vent that will not close. (Replace Vent Pn#154682301) or remove blockage
uF is a Vent fan Not running (Replace Vent Pn#154682301) or remove blockage
Other codes you my see in the display that are not errors
LO is Low rinse aid
PF is power failure
Ho is Water Heating
CL is close Door
01-24 hours of delay
To enter service test you must turn off the power and PF will be displayed. While in PF press and hold Pad # 1 and Pad # 7 at which time an “rt” will appear in the display. To get it out of service test Press Pad # 1 and the Pad # 7 this will return you to PF mode.
[ (#1)(#2)(#3)(#4)(#5)(#6)(#7) (#8)(#9)(10)(11) ]
Press pad # 1 Active water valve Ultimate Scrub Maxx Clean Valve on =FL Valve off =rt
Press pad # 2 Test Speed motor (1 Time) motor @ 2800 rpms Speed Wash pad ”28′ First two digits motor speed
Press pad # 2 Test Speed motor (2 Times) wash motor @2950 rpms Speed Wash pad “29′ in display
Press pad # 2 Test Speed motor (3 Times) wash motor @3150 rpms Speed Wash pad “31′ in display
Press pad # 2 Test Speed motor (4 Times) wash motor @3450 rpms Speed Wash pad “34′ in display
Press pad # 2 Test Speed motor (5 Times) turns off wash motor No light on ”rt” in display
Press pad # 3 Test Dispenser dispenser powered Normal Wash on = “Sd” off = “rt”
Press pad # 4 Test Drain pump on/off China Crystal or Party glasses on = dP off = “rt”
Press pad # 5 Test Fan dry Active vent on/off Top Rack,Eco Wash Glasses on = Fan speed off = “rt”
Press pad # 7 Test Rinse aid level none Rinse only low = RE full = RF off = “rt”
Press pad # 8 Test Soil Sensor none Wash Silencer or Wash pressure on = sensor voltage reading off = “rt”
Press pad # 9 Test Thermistor none Wash Temperature on = Temperature in °F off = “rt”
Press pad #10 Test Heater on/off Heater on/off No Heat Dry on = HO off = “rt”
Replace the motor ! Test the electrical circuit ! Don't know anything about automotive electrical circuit ? Go on youtube an check out video on basic electrical trouble shooting , Also Voltage drop testing a circuit . How to read a wiring diagram . Then go to http://www.bbbind.com/free_tsb.html free wiring diagrams . Test the circuit . Do a current draw test on the blower motor . You need a amp meter to do this test .
9 out of 10 times its the heater fan resistor doing this. it has wires that corresponed to diffreent speed settings for heater fan. the resistor is beside the blower motor, Your Kia Sportage Blower Motor Resistor controls the heating equipment in the
vehicle by opening and closing the fan motor. The Kia Sportage Blower Motor
Resistor allows the heating and climate control system to control the speed of
the vehicle's cooling fan. its under the passenger side glove box. undo 2 screws and disconnect the electrical connector. thats it!!
First turn off the power to the fan...then take off the door to get to the fan. Once this is done depending on if you have a belt driven fan or direct drive motor (doesn't have a belt), if its a direct drive motor look at the side of the motor and check for speed taps. there are usually about five taps with one or two wires. beside the taps you might see 1,2,3,4,5 or C,H,M,L (high medium low)...simply remove the taps and go to the desired speed selection. Then turn power back on and wa-la. Others might have to be rewired on the bored and you will have to be able to read a wiring diagram for that and might need an HVACR technician to come out and have a look...hope this helps you out