Diagnosis, Reconfirmation, Parts Changers, and You
HVAC School - For Techs, By Techs
Bryan Orr
4.9 • 1K Ratings
🗓️ 10 October 2016
⏱️ 32 minutes
🧾️ Download transcript
Summary
This episode of HVAC School is a Kalos meeting where Bryan talks to his team about an incident where a leak was erroneously detected on the evaporator coil.
The system was three months old, and one of our junior techs diagnosed a leak on the evaporator coil. (What?? That never happens!) So, the customer was quoted for a new evaporator coil. One week later, the charge was low again. The junior technician quoted the customer for more refrigerant charge and leak detection. The customer freaked out.
Unfortunately, there were so many things we could have done to prevent the hassle and frustration for the customer.
All was fine in the end, but we could have gathered more data to perform a more thorough diagnosis, sent out senior technicians to verify the issue, and kept the bigger picture of the service call in mind from the start.
During this meeting, Bryan stresses the importance of:
- Reconfirming parts before installing them
- Performing a complete diagnosis
- Using a micron gauge
- Becoming a valuable technician
And much more...
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Transcript
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| 0:00.0 | This episode of HVAC school is presented by HVAC-SOT. |
| 0:05.0 | H-VAC-DASH.com, H-VAC HACS reminding you, don't be a hack. |
| 0:13.0 | So how do we know when the vacuum is done? |
| 0:17.0 | Uh, yeah. We use a micron gauge for that. |
| 0:20.0 | I think it's right here in my tool bag somewhere. |
| 0:23.0 | I'm glad to see you finally use it again. |
| 0:25.0 | You know it's the right thing to do. |
| 0:27.0 | Oh, come on, man. |
| 0:29.0 | You know nobody uses those things. |
| 0:30.0 | They're just a waste of time. |
| 0:32.0 | If a 30 minute vacuum is good enough in |
| 0:34.4 | 1994 it's good enough today. That thing looks dusty don't you use it all the |
| 0:40.4 | time? Yeah dust sure does build up quick in Florida. |
| 0:44.0 | Just tell them the truth. It meant that you have sinned and be free. |
| 0:48.0 | Just tell that's Nondos Rooky how it used to be. The customer should feel lucky that you pull a vacuum at all instead of just blow and go. |
| 0:56.0 | It's only getting down to 3,000. What's wrong? Oh, oh yeah, that's normal. |
| 1:01.7 | What's number about it? |
| 1:04.0 | You probably have a leak. |
| 1:05.0 | It shows what a finicky piece of crap of my crime gauges anyway. |
| 1:09.0 | Just charging and be done with it. |
| 1:11.0 | Are you sure? |
| 1:12.0 | How do we know there isn't a leak? Yeah, that's good enough. |
... |
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