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Error 53 zuba heat pump - Heating & Cooling

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How do I maximize heat from the 14k ac/heat pump?

Heat pumps are designed to operate only with the heat strip if the outdoor temp drops below 50 to 53 degrees F. Heat pumps use the heat from the outside and transfer it to the inside, but if the temps outdoors do not hold enough heat, it ceases to function efficiently. Make sure the unit is always clean on the inside and on the outside coiling to make it as efficient as possible. I've been in the business for 17 years and around it my whole life and I've never recommended a heat pump for this very reason. They are only efficient in areas where the winter temps are more mild.

Jan 21, 2017 | Heating & Cooling

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What are OBD1 engine codes 53, 66, 32 ???

Code 53 is Heated Oxygen Sensor Heater Resistance Bank 1 Sensor 1

Code 66 is Air Assisted Injector Control Circuit Or Circuit Low

Code 32 is Heated Oxygen Sensor Heater Control Circuit High Bank 1 Sensor 1

If you want to check it out yourself go to.

Jun 05, 2014 | 1995 Lincoln Town Car

1 Answer

Flashing Error code E 53

External temperature sensor or the wiring to it have been compromised.

Sep 07, 2011 | Honeywell Electronic Programmable...

1 Answer

HELP! I have a Daewoo Lanos(1998-99), ive got a

The fault code 53 is an ECM IMMOBILIZED ERROR.
The immobilizer anti-theft system thinks the key is invalid. If it detects an error, it will;
Disable the fuel injector circuit--- Disable the fuel pump circuit---Disable the ignition coil.

Code 53 will set when:
1- The Eectronic Control Module (ECM) does not receive the signal from the Immobilizer Control Unit (ICU) within 0.9 seconds when vehicle is stationary, or 1.8 seconds when vehicle is moving.
2- The ICU sends the ECM an incorrect release message more than 5 times.
3- The above conditions continue until the ignition is switched off.

I hope this helps.

Aug 24, 2011 | 1999 Daewoo Lanos

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Scania 114G 340 is not running after EDC warnings, error codes 53 and 54 can some one help me out.

the fault codes 53-54 is problem in cylender 3and4 unit injectores but that is not the main cause to make the engine is not starting check the overflow valve and the fuel pump or another fault code in the control unit

May 30, 2010 | Isuzu VehiCROSS Cars & Trucks

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The flo, cool, and a temp of 53 but the heat indicator is not on?

Assuming that pump 1 works ok on low speed...

Try removing the filter(s) and see whether or not this clears the fault. If the fault has gone install some new filters.

Apr 15, 2010 | Qca Spas Jewel Series Topaz Plus Hot Tub

1 Answer

Compatability of a R22 air handler and a R410a heat pump

1. The units should match up without a problem.
2. You will need a 40 or 50 amp breaker for the A/H and 5 KW heat strip. You will probably need a 20 or 25 Amp for the condensing unit. I would check the FLA (full load amps) rating on both units, total them and install a breaker with no more than 20% more rating than the total. You can install a small box at the A/H with a breaker for the A/H and one for the condensing unit.

Nov 15, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer


chek battery voltage with engine running if over 14.5 volts the altenator is bad and will need to be replaced high will cause all of these codes

Sep 15, 2008 | 1995 GMC Jimmy

1 Answer

Hp 4si


Your post is correct that error 53 refers to bad memory board or at times defective SIMM only. Since you have replaced them and no change, you may want to try to do a Cold Reset of the printer. This is done by powering on the printer while holding down the GO or Online button. Additionally, you may want to check/reset your NVRAM settings which can be done manually through the Service Mode.

This page lists most of the HP Laser Printer error codes. This link displays most HP LaserJets - Cold Reset Instructions.

Hope this be of some help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Nov 16, 2007 | HP LaserJet 4si Printer

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