From 6e121c778fd205b66752f17b7dce7045c75f2530 Mon Sep 17 00:00:00 2001
From: Michael Geers <michael@geers.tv>
Date: Sat, 22 Aug 2026 09:48:44 +0200
Subject: [PATCH] chore: error handling in checkStation method (#33066)

---
 charger/daheimladen.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/charger/daheimladen.go b/charger/daheimladen.go
index f48e92146..e26abcb9b 100644
--- a/charger/daheimladen.go
+++ b/charger/daheimladen.go
@@ -361,6 +361,10 @@ func (wb *DaheimLaden) getPhases() (int, error) {
 }
 
 func (wb *DaheimLaden) checkStation() error {
+	// first call for fw init
+	if _, err := wb.conn.ReadHoldingRegisters(dlRegEvseMaxCurrent, 22); err != nil {
+		return err
+	}
 	b, err := wb.conn.ReadHoldingRegisters(dlRegEvseMaxCurrent, 22)
 	if err != nil {
 		return api.ErrSponsorRequired